54621807 has 8 divisors (see below), whose sum is σ = 72983040. Its totient is φ = 36337560.

The previous prime is 54621793. The next prime is 54621821. The reversal of 54621807 is 70812645.

It is an interprime number because it is at equal distance from previous prime (54621793) and next prime (54621821).

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

It is not a de Polignac number, because 54621807 - 2¹² = 54617711 is a prime.

It is a super-3 number, since 3×54621807³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54621887) 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, 17569 + ... + 20442.

It is an arithmetic number, because the mean of its divisors is an integer number (9122880).

Almost surely, 2^54621807 is an apocalyptic number.

54621807 is a deficient number, since it is larger than the sum of its proper divisors (18361233).

54621807 is a wasteful number, since it uses less digits than its factorization.

54621807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38493.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 54621807 is about 7390.6567367183. The cubic root of 54621807 is about 379.4215738133.

The spelling of 54621807 in words is "fifty-four million, six hundred twenty-one thousand, eight hundred seven".