54626421 has 8 divisors (see below), whose sum is σ = 73367424. Its totient is φ = 36151520.

The previous prime is 54626413. The next prime is 54626431. The reversal of 54626421 is 12462645.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54626421 - 2³ = 54626413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54626431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66045 + ... + 66866.

It is an arithmetic number, because the mean of its divisors is an integer number (9170928).

Almost surely, 2^54626421 is an apocalyptic number.

It is an amenable number.

54626421 is a deficient number, since it is larger than the sum of its proper divisors (18741003).

54626421 is a wasteful number, since it uses less digits than its factorization.

54626421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133051.

The product of its digits is 11520, while the sum is 30.

The square root of 54626421 is about 7390.9688810061. The cubic root of 54626421 is about 379.4322569815.

The spelling of 54626421 in words is "fifty-four million, six hundred twenty-six thousand, four hundred twenty-one".