54937421 has 16 divisors (see below), whose sum is σ = 72524160. Its totient is φ = 40289280.

The previous prime is 54937381. The next prime is 54937423. The reversal of 54937421 is 12473945.

54937421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54937421 is a prime.

It is a super-2 number, since 2×54937421² = 6036240452262482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54937423) 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 15 ways as a sum of consecutive naturals, for example, 19676 + ... + 22293.

It is an arithmetic number, because the mean of its divisors is an integer number (4532760).

Almost surely, 2^54937421 is an apocalyptic number.

It is an amenable number.

54937421 is a deficient number, since it is larger than the sum of its proper divisors (17586739).

54937421 is a wasteful number, since it uses less digits than its factorization.

54937421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42004.

The product of its digits is 30240, while the sum is 35.

The square root of 54937421 is about 7411.9782109771. The cubic root of 54937421 is about 380.1509580283.

The spelling of 54937421 in words is "fifty-four million, nine hundred thirty-seven thousand, four hundred twenty-one".