55908087 has 16 divisors (see below), whose sum is σ = 79126272. Its totient is φ = 34992000.

The previous prime is 55908059. The next prime is 55908103. The reversal of 55908087 is 78080955.

It is not a de Polignac number, because 55908087 - 2⁶ = 55908023 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55908007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23712 + ... + 25962.

It is an arithmetic number, because the mean of its divisors is an integer number (4945392).

Almost surely, 2^55908087 is an apocalyptic number.

55908087 is a deficient number, since it is larger than the sum of its proper divisors (23218185).

55908087 is a wasteful number, since it uses less digits than its factorization.

55908087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758.

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 55908087 is about 7477.1710559543. The cubic root of 55908087 is about 382.3768085489.

The spelling of 55908087 in words is "fifty-five million, nine hundred eight thousand, eighty-seven".