54887406 has 32 divisors (see below), whose sum is σ = 126385920. Its totient is φ = 15566016.

The previous prime is 54887387. The next prime is 54887429. The reversal of 54887406 is 60478845.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985 + ... + 10523.

It is an arithmetic number, because the mean of its divisors is an integer number (3949560).

Almost surely, 2^54887406 is an apocalyptic number.

54887406 is an abundant number, since it is smaller than the sum of its proper divisors (71498514).

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

54887406 is a wasteful number, since it uses less digits than its factorization.

54887406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9688.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 54887406 is about 7408.6035121337. The cubic root of 54887406 is about 380.0355599225.

The spelling of 54887406 in words is "fifty-four million, eight hundred eighty-seven thousand, four hundred six".