54118887 has 4 divisors (see below), whose sum is σ = 72158520. Its totient is φ = 36079256.

The previous prime is 54118877. The next prime is 54118907. The reversal of 54118887 is 78881145.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54118887 - 2⁷ = 54118759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54118807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9019812 + ... + 9019817.

It is an arithmetic number, because the mean of its divisors is an integer number (18039630).

Almost surely, 2^54118887 is an apocalyptic number.

54118887 is a deficient number, since it is larger than the sum of its proper divisors (18039633).

54118887 is a wasteful number, since it uses less digits than its factorization.

54118887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18039632.

The product of its digits is 71680, while the sum is 42.

The square root of 54118887 is about 7356.5540166575. The cubic root of 54118887 is about 378.2534972703.

The spelling of 54118887 in words is "fifty-four million, one hundred eighteen thousand, eight hundred eighty-seven".