54887976 has 128 divisors (see below), whose sum is σ = 179222400. Its totient is φ = 15344640.

The previous prime is 54887969. The next prime is 54888007. The reversal of 54887976 is 67978845.

54887976 is a `hidden beast` number, since 548 + 8 + 7 + 97 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30000 + ... + 31776.

It is an arithmetic number, because the mean of its divisors is an integer number (1400175).

Almost surely, 2^54887976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54887976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89611200).

54887976 is an abundant number, since it is smaller than the sum of its proper divisors (124334424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54887976 is a wasteful number, since it uses less digits than its factorization.

54887976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816 (or 1806 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 54887976 is about 7408.6419808221. The cubic root of 54887976 is about 380.0368754612.

The spelling of 54887976 in words is "fifty-four million, eight hundred eighty-seven thousand, nine hundred seventy-six".