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53440255200 = 25352312233221
BaseRepresentation
bin110001110001010010…
…011001010011100000
312002221100021020120010
4301301102121103200
51333421201131300
640314454044520
73601204450203
oct616122312340
9162840236503
1053440255200
11207336a3772
12a435049740
13506871b5a7
14282d5b993a
1515cb8eea50
hexc714994e0

53440255200 has 288 divisors, whose sum is σ = 180420452352. Its totient is φ = 13724928000.

The previous prime is 53440255091. The next prime is 53440255201. The reversal of 53440255200 is 255204435.

It is a super-2 number, since 2×534402552002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53440255201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16589590 + ... + 16592810.

It is an arithmetic number, because the mean of its divisors is an integer number (626459904).

Almost surely, 253440255200 is an apocalyptic number.

53440255200 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 53440255200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90210226176).

53440255200 is an abundant number, since it is smaller than the sum of its proper divisors (126980197152).

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

53440255200 is a wasteful number, since it uses less digits than its factorization.

53440255200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3498 (or 3485 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

Adding to 53440255200 its reverse (255204435), we get a palindrome (53695459635).

The spelling of 53440255200 in words is "fifty-three billion, four hundred forty million, two hundred fifty-five thousand, two hundred".