54915912 has 24 divisors (see below), whose sum is σ = 148730790. Its totient is φ = 18305280.

The previous prime is 54915907. The next prime is 54915919. The reversal of 54915912 is 21951945.

54915912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 41912676 + 13003236 = 6474^2 + 3606^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (54915919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 381289 + ... + 381432.

Almost surely, 2^54915912 is an apocalyptic number.

It is an amenable number.

54915912 is an abundant number, since it is smaller than the sum of its proper divisors (93814878).

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

54915912 is a wasteful number, since it uses less digits than its factorization.

54915912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762733 (or 762726 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 54915912 is about 7410.5271067583. The cubic root of 54915912 is about 380.1013395464.

It can be divided in two parts, 549 and 15912, that added together give a palindrome (16461).

The spelling of 54915912 in words is "fifty-four million, nine hundred fifteen thousand, nine hundred twelve".