49520818725 has 48 divisors (see below), whose sum is σ = 97639084032. Its totient is φ = 21653818560.

The previous prime is 49520818703. The next prime is 49520818733. The reversal of 49520818725 is 52781802594.

It is not a de Polignac number, because 49520818725 - 2⁵ = 49520818693 is a prime.

It is a super-2 number, since 2×49520818725² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2038477 + ... + 2062626.

It is an arithmetic number, because the mean of its divisors is an integer number (2034147584).

Almost surely, 2^49520818725 is an apocalyptic number.

It is an amenable number.

49520818725 is a deficient number, since it is larger than the sum of its proper divisors (48118265307).

49520818725 is a wasteful number, since it uses less digits than its factorization.

49520818725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101146 (or 4101141 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 51.

The spelling of 49520818725 in words is "forty-nine billion, five hundred twenty million, eight hundred eighteen thousand, seven hundred twenty-five".