54059887 has 12 divisors (see below), whose sum is σ = 63202800. Its totient is φ = 46220328.

The previous prime is 54059869. The next prime is 54059891. The reversal of 54059887 is 78895045.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a de Polignac number, because none of the positive numbers 2^k-54059887 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 (54051887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135973 + ... + 136369.

It is an arithmetic number, because the mean of its divisors is an integer number (5266900).

Almost surely, 2^54059887 is an apocalyptic number.

54059887 is a deficient number, since it is larger than the sum of its proper divisors (9142913).

54059887 is an frugal number, since it uses more digits than its factorization.

54059887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 54059887 is about 7352.5428934485. The cubic root of 54059887 is about 378.1159909244.

Multiplying 54059887 by its product of nonzero digits (403200), we get a square (21796946438400 = 4668720²).

It can be divided in two parts, 54059 and 887, that added together give a triangular number (54946 = T₃₃₁).

The spelling of 54059887 in words is "fifty-four million, fifty-nine thousand, eight hundred eighty-seven".