54918725381 has 16 divisors (see below), whose sum is σ = 60250713600. Its totient is φ = 49752638208.

The previous prime is 54918725371. The next prime is 54918725399. The reversal of 54918725381 is 18352781945.

54918725381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54918725381 - 2⁶ = 54918725317 is a prime.

It is a super-2 number, since 2×54918725381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54918725311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11405 + ... + 331613.

It is an arithmetic number, because the mean of its divisors is an integer number (3765669600).

Almost surely, 2^54918725381 is an apocalyptic number.

It is an amenable number.

54918725381 is a deficient number, since it is larger than the sum of its proper divisors (5331988219).

54918725381 is a wasteful number, since it uses less digits than its factorization.

54918725381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320468.

The product of its digits is 2419200, while the sum is 53.

The spelling of 54918725381 in words is "fifty-four billion, nine hundred eighteen million, seven hundred twenty-five thousand, three hundred eighty-one".