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53030342500 = 2254293753373
BaseRepresentation
bin110001011000110110…
…101100111101100100
312001212202221112001021
4301120312230331210
51332101231430000
640210052140524
73555066321352
oct613066547544
9161782845037
1053030342500
1120543278243
12a33b907744
1350018190b5
1427d0d947d2
1515a592e11a
hexc58dacf64

53030342500 has 240 divisors, whose sum is σ = 125869146480. Its totient is φ = 19498752000.

The previous prime is 53030342489. The next prime is 53030342501. The reversal of 53030342500 is 524303035.

It is a happy number.

It can be written as a sum of positive squares in 40 ways, for example, as 52581241636 + 449100864 = 229306^2 + 21192^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (53030342501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 142172314 + ... + 142172686.

It is an arithmetic number, because the mean of its divisors is an integer number (524454777).

Almost surely, 253030342500 is an apocalyptic number.

53030342500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53030342500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62934573240).

53030342500 is an abundant number, since it is smaller than the sum of its proper divisors (72838803980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53030342500 is a wasteful number, since it uses less digits than its factorization.

53030342500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 25.

Adding to 53030342500 its reverse (524303035), we get a palindrome (53554645535).

The spelling of 53030342500 in words is "fifty-three billion, thirty million, three hundred forty-two thousand, five hundred".