49154161056 has 864 divisors, whose sum is σ = 181549468800. Its totient is φ = 11623772160.

The previous prime is 49154161037. The next prime is 49154161087. The reversal of 49154161056 is 65016145194.

49154161056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×49154161056² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 49154160999 and 49154161017.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 673344636 + ... + 673344708.

It is an arithmetic number, because the mean of its divisors is an integer number (210126700).

Almost surely, 2^49154161056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49154161056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90774734400).

49154161056 is an abundant number, since it is smaller than the sum of its proper divisors (132395307744).

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

49154161056 is a wasteful number, since it uses less digits than its factorization.

49154161056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 49154161056 in words is "forty-nine billion, one hundred fifty-four million, one hundred sixty-one thousand, fifty-six".