52499035251 has 64 divisors (see below), whose sum is σ = 85277875200. Its totient is φ = 31914863136.

The previous prime is 52499035249. The next prime is 52499035307. The reversal of 52499035251 is 15253099425.

52499035251 is a `hidden beast` number, since 5 + 249 + 9 + 0 + 352 + 51 = 666.

It is not a de Polignac number, because 52499035251 - 2¹ = 52499035249 is a prime.

It is a super-2 number, since 2×52499035251² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52499035197 and 52499035206.

It is not an unprimeable number, because it can be changed into a prime (52499035151) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4918146 + ... + 4928808.

It is an arithmetic number, because the mean of its divisors is an integer number (1332466800).

Almost surely, 2^52499035251 is an apocalyptic number.

52499035251 is a deficient number, since it is larger than the sum of its proper divisors (32778839949).

52499035251 is a wasteful number, since it uses less digits than its factorization.

52499035251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10794 (or 10762 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The spelling of 52499035251 in words is "fifty-two billion, four hundred ninety-nine million, thirty-five thousand, two hundred fifty-one".