54951386556 has 48 divisors (see below), whose sum is σ = 139973944320. Its totient is φ = 16640305920.

The previous prime is 54951386543. The next prime is 54951386587. The reversal of 54951386556 is 65568315945.

It is a super-2 number, since 2×54951386556² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54951386496 and 54951386505.

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, 45300 + ... + 334596.

It is an arithmetic number, because the mean of its divisors is an integer number (2916123840).

Almost surely, 2^54951386556 is an apocalyptic number.

It is an amenable number.

54951386556 is an abundant number, since it is smaller than the sum of its proper divisors (85022557764).

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

54951386556 is a wasteful number, since it uses less digits than its factorization.

54951386556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290754 (or 290752 counting only the distinct ones).

The product of its digits is 19440000, while the sum is 57.

The spelling of 54951386556 in words is "fifty-four billion, nine hundred fifty-one million, three hundred eighty-six thousand, five hundred fifty-six".