54921732 has 24 divisors (see below), whose sum is σ = 128310336. Its totient is φ = 18284448.

The previous prime is 54921703. The next prime is 54921733. The reversal of 54921732 is 23712945.

It is a junction number, because it is equal to n+sod(n) for n = 54921693 and 54921702.

It is not an unprimeable number, because it can be changed into a prime (54921733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9238 + ... + 13970.

It is an arithmetic number, because the mean of its divisors is an integer number (5346264).

Almost surely, 2^54921732 is an apocalyptic number.

It is an amenable number.

54921732 is an abundant number, since it is smaller than the sum of its proper divisors (73388604).

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

54921732 is a wasteful number, since it uses less digits than its factorization.

54921732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5707 (or 5705 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 54921732 is about 7410.9197809719. The cubic root of 54921732 is about 380.1147668123.

The spelling of 54921732 in words is "fifty-four million, nine hundred twenty-one thousand, seven hundred thirty-two".