54921933 has 12 divisors (see below), whose sum is σ = 86543808. Its totient is φ = 33285960.

The previous prime is 54921931. The next prime is 54921941. The reversal of 54921933 is 33912945.

It is a happy number.

54921933 is a `hidden beast` number, since 549 + 21 + 93 + 3 = 666.

It is not a de Polignac number, because 54921933 - 2¹ = 54921931 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54921931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277285 + ... + 277482.

It is an arithmetic number, because the mean of its divisors is an integer number (7211984).

Almost surely, 2^54921933 is an apocalyptic number.

It is an amenable number.

54921933 is a deficient number, since it is larger than the sum of its proper divisors (31621875).

54921933 is a wasteful number, since it uses less digits than its factorization.

54921933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554784 (or 554781 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 54921933 is about 7410.9333420292. The cubic root of 54921933 is about 380.1152305205.

The spelling of 54921933 in words is "fifty-four million, nine hundred twenty-one thousand, nine hundred thirty-three".