54218157 has 24 divisors (see below), whose sum is σ = 84465792. Its totient is φ = 30844800.

The previous prime is 54218069. The next prime is 54218159. The reversal of 54218157 is 75181245.

It is not a de Polignac number, because 54218157 - 2⁷ = 54218029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54218159) 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, 39157 + ... + 40517.

It is an arithmetic number, because the mean of its divisors is an integer number (3519408).

Almost surely, 2^54218157 is an apocalyptic number.

It is an amenable number.

54218157 is a deficient number, since it is larger than the sum of its proper divisors (30247635).

54218157 is a wasteful number, since it uses less digits than its factorization.

54218157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649 (or 1642 counting only the distinct ones).

The product of its digits is 11200, while the sum is 33.

The square root of 54218157 is about 7363.2979703391. The cubic root of 54218157 is about 378.4846321620.

The spelling of 54218157 in words is "fifty-four million, two hundred eighteen thousand, one hundred fifty-seven".