54684477 has 14 divisors (see below), whose sum is σ = 81990302. Its totient is φ = 36455832.

The previous prime is 54684473. The next prime is 54684481. The reversal of 54684477 is 77448645.

It is an interprime number because it is at equal distance from previous prime (54684473) and next prime (54684481).

It can be written as a sum of positive squares in only one way, i.e., 54331641 + 352836 = 7371^2 + 594^2 .

It is not a de Polignac number, because 54684477 - 2² = 54684473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54684473) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 36778 + ... + 38235.

Almost surely, 2^54684477 is an apocalyptic number.

It is an amenable number.

54684477 is a deficient number, since it is larger than the sum of its proper divisors (27305825).

54684477 is an frugal number, since it uses more digits than its factorization.

54684477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75031 (or 75016 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The square root of 54684477 is about 7394.8953339449. The cubic root of 54684477 is about 379.5666273682.

The spelling of 54684477 in words is "fifty-four million, six hundred eighty-four thousand, four hundred seventy-seven".