55576506 has 32 divisors (see below), whose sum is σ = 113379840. Its totient is φ = 18157824.

The previous prime is 55576483. The next prime is 55576529. The reversal of 55576506 is 60567555.

It is an interprime number because it is at equal distance from previous prime (55576483) and next prime (55576529).

It is a Curzon 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, 97390 + ... + 97958.

It is an arithmetic number, because the mean of its divisors is an integer number (3543120).

Almost surely, 2^55576506 is an apocalyptic number.

55576506 is an abundant number, since it is smaller than the sum of its proper divisors (57803334).

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

55576506 is a wasteful number, since it uses less digits than its factorization.

55576506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870.

The product of its (nonzero) digits is 157500, while the sum is 39.

The square root of 55576506 is about 7454.9651910656. The cubic root of 55576506 is about 381.6193727007.

The spelling of 55576506 in words is "fifty-five million, five hundred seventy-six thousand, five hundred six".