54397904854 has 24 divisors (see below), whose sum is σ = 86361024240. Its totient is φ = 25649851920.

The previous prime is 54397904843. The next prime is 54397904861. The reversal of 54397904854 is 45840979345.

It is a super-2 number, since 2×54397904854² (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 11 ways as a sum of consecutive naturals, for example, 114592 + ... + 349180.

It is an arithmetic number, because the mean of its divisors is an integer number (3598376010).

Almost surely, 2^54397904854 is an apocalyptic number.

54397904854 is a deficient number, since it is larger than the sum of its proper divisors (31963119386).

54397904854 is a wasteful number, since it uses less digits than its factorization.

54397904854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234756 (or 234685 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 54397904854 in words is "fifty-four billion, three hundred ninety-seven million, nine hundred four thousand, eight hundred fifty-four".