54562421 has 4 divisors (see below), whose sum is σ = 54595200. Its totient is φ = 54529644.

The previous prime is 54562393. The next prime is 54562423. The reversal of 54562421 is 12426545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54562421 - 2²² = 50368117 is a prime.

It is a super-3 number, since 3×54562421³ (a number of 24 digits) contains 333 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 (54562423) 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, 13751 + ... + 17268.

It is an arithmetic number, because the mean of its divisors is an integer number (13648800).

Almost surely, 2^54562421 is an apocalyptic number.

It is an amenable number.

54562421 is a deficient number, since it is larger than the sum of its proper divisors (32779).

54562421 is a wasteful number, since it uses less digits than its factorization.

54562421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32778.

The product of its digits is 9600, while the sum is 29.

The square root of 54562421 is about 7386.6380038553. The cubic root of 54562421 is about 379.2840188596.

Adding to 54562421 its reverse (12426545), we get a palindrome (66988966).

The spelling of 54562421 in words is "fifty-four million, five hundred sixty-two thousand, four hundred twenty-one".