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53044252001 = 1320509198953
BaseRepresentation
bin110001011001101011…
…110000110101100001
312001220202010012021222
4301121223300311201
51332113312031001
640211310224425
73555325463006
oct613153606541
9161822105258
1053044252001
11205501086a4
12a3444b5115
135004679280
1427d2b758ad
1515a6c7a61b
hexc59af0d61

53044252001 has 8 divisors (see below), whose sum is σ = 57127651560. Its totient is φ = 48961291392.

The previous prime is 53044251991. The next prime is 53044252007. The reversal of 53044252001 is 10025244035.

It is a happy number.

53044252001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5083690000 + 47960562001 = 71300^2 + 218999^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53044252001 - 234 = 35864382817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53044252007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167141 + ... + 366093.

It is an arithmetic number, because the mean of its divisors is an integer number (7140956445).

Almost surely, 253044252001 is an apocalyptic number.

It is an amenable number.

53044252001 is a deficient number, since it is larger than the sum of its proper divisors (4083399559).

53044252001 is a wasteful number, since it uses less digits than its factorization.

53044252001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219475.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 53044252001 its reverse (10025244035), we get a palindrome (63069496036).

The spelling of 53044252001 in words is "fifty-three billion, forty-four million, two hundred fifty-two thousand, one".

Divisors: 1 13 20509 198953 266617 2586389 4080327077 53044252001