55308597 has 8 divisors (see below), whose sum is σ = 76287840. Its totient is φ = 35600880.

The previous prime is 55308587. The next prime is 55308623. The reversal of 55308597 is 79580355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-55308597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55308577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317779 + ... + 317952.

It is an arithmetic number, because the mean of its divisors is an integer number (9535980).

Almost surely, 2^55308597 is an apocalyptic number.

It is an amenable number.

55308597 is a deficient number, since it is larger than the sum of its proper divisors (20979243).

55308597 is a wasteful number, since it uses less digits than its factorization.

55308597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635763.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 55308597 is about 7436.9749898732. The cubic root of 55308597 is about 381.0051803844.

The spelling of 55308597 in words is "fifty-five million, three hundred eight thousand, five hundred ninety-seven".