54930621 has 16 divisors (see below), whose sum is σ = 78309504. Its totient is φ = 34128384.

The previous prime is 54930619. The next prime is 54930637. The reversal of 54930621 is 12603945.

It is not a de Polignac number, because 54930621 - 2¹ = 54930619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54930661) 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, 25 + ... + 10481.

It is an arithmetic number, because the mean of its divisors is an integer number (4894344).

Almost surely, 2^54930621 is an apocalyptic number.

54930621 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

54930621 is a deficient number, since it is larger than the sum of its proper divisors (23378883).

54930621 is a wasteful number, since it uses less digits than its factorization.

54930621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10580.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 54930621 is about 7411.5194798368. The cubic root of 54930621 is about 380.1352727078.

The spelling of 54930621 in words is "fifty-four million, nine hundred thirty thousand, six hundred twenty-one".