52513523040 has 96 divisors (see below), whose sum is σ = 180455579136. Its totient is φ = 12730549760.

The previous prime is 52513523009. The next prime is 52513523063. The reversal of 52513523040 is 4032531525.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×52513523040² (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 junction number, because it is equal to n+sod(n) for n = 52513522989 and 52513523007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4967592 + ... + 4978151.

It is an arithmetic number, because the mean of its divisors is an integer number (1879745616).

Almost surely, 2^52513523040 is an apocalyptic number.

It is an amenable number.

52513523040 is an abundant number, since it is smaller than the sum of its proper divisors (127942056096).

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

52513523040 is a wasteful number, since it uses less digits than its factorization.

52513523040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9945772 (or 9945764 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 52513523040 in words is "fifty-two billion, five hundred thirteen million, five hundred twenty-three thousand, forty".