54021908 has 12 divisors (see below), whose sum is σ = 94987872. Its totient is φ = 26882520.

The previous prime is 54021907. The next prime is 54021923. The reversal of 54021908 is 80912045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54021901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31160 + ... + 32847.

It is an arithmetic number, because the mean of its divisors is an integer number (7915656).

Almost surely, 2^54021908 is an apocalyptic number.

It is an amenable number.

54021908 is a deficient number, since it is larger than the sum of its proper divisors (40965964).

54021908 is a wasteful number, since it uses less digits than its factorization.

54021908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64222 (or 64220 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 54021908 is about 7349.9597277808. The cubic root of 54021908 is about 378.0274235211.

The spelling of 54021908 in words is "fifty-four million, twenty-one thousand, nine hundred eight".