54518787 has 6 divisors (see below), whose sum is σ = 78749372. Its totient is φ = 36345852.

The previous prime is 54518767. The next prime is 54518837. The reversal of 54518787 is 78781545.

It is a happy number.

54518787 is a `hidden beast` number, since 54 + 518 + 7 + 87 = 666.

It is not a de Polignac number, because 54518787 - 2⁸ = 54518531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54518707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3028813 + ... + 3028830.

Almost surely, 2^54518787 is an apocalyptic number.

54518787 is a deficient number, since it is larger than the sum of its proper divisors (24230585).

54518787 is a wasteful number, since it uses less digits than its factorization.

54518787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6057649 (or 6057646 counting only the distinct ones).

The product of its digits is 313600, while the sum is 45.

The square root of 54518787 is about 7383.6838366766. The cubic root of 54518787 is about 379.1828864186.

The spelling of 54518787 in words is "fifty-four million, five hundred eighteen thousand, seven hundred eighty-seven".