51164062533 has 10 divisors (see below), whose sum is σ = 76430266374. Its totient is φ = 34109374968.

The previous prime is 51164062531. The next prime is 51164062571. The reversal of 51164062533 is 33526046115.

51164062533 is a `hidden beast` number, since 5 + 1 + 1 + 64 + 0 + 62 + 533 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28500867684 + 22663194849 = 168822^2 + 150543^2 .

It is not a de Polignac number, because 51164062533 - 2¹ = 51164062531 is a prime.

It is a super-2 number, since 2×51164062533² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51164062531) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 315827466 + ... + 315827627.

Almost surely, 2^51164062533 is an apocalyptic number.

It is an amenable number.

51164062533 is a deficient number, since it is larger than the sum of its proper divisors (25266203841).

51164062533 is an equidigital number, since it uses as much as digits as its factorization.

51164062533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631655105 (or 631655096 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 51164062533 in words is "fifty-one billion, one hundred sixty-four million, sixty-two thousand, five hundred thirty-three".