49289052156 has 12 divisors (see below), whose sum is σ = 115007788392. Its totient is φ = 16429684048.

The previous prime is 49289052133. The next prime is 49289052167. The reversal of 49289052156 is 65125098294.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 49289052099 and 49289052108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2053710495 + ... + 2053710518.

It is an arithmetic number, because the mean of its divisors is an integer number (9583982366).

Almost surely, 2^49289052156 is an apocalyptic number.

It is an amenable number.

49289052156 is an abundant number, since it is smaller than the sum of its proper divisors (65718736236).

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

49289052156 is a wasteful number, since it uses less digits than its factorization.

49289052156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4107421020 (or 4107421018 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 49289052156 in words is "forty-nine billion, two hundred eighty-nine million, fifty-two thousand, one hundred fifty-six".