54667557 has 24 divisors (see below), whose sum is σ = 90836096. Its totient is φ = 31034016.

The previous prime is 54667553. The next prime is 54667589. The reversal of 54667557 is 75576645.

It is not a de Polignac number, because 54667557 - 2² = 54667553 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54667553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7128 + ... + 12654.

Almost surely, 2^54667557 is an apocalyptic number.

It is an amenable number.

54667557 is a deficient number, since it is larger than the sum of its proper divisors (36168539).

54667557 is a wasteful number, since it uses less digits than its factorization.

54667557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5697 (or 5694 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 54667557 is about 7393.7512130177. The cubic root of 54667557 is about 379.5274759174.

The spelling of 54667557 in words is "fifty-four million, six hundred sixty-seven thousand, five hundred fifty-seven".