55700815 has 8 divisors (see below), whose sum is σ = 67134240. Its totient is φ = 44365152.

The previous prime is 55700797. The next prime is 55700833. The reversal of 55700815 is 51800755.

It is an interprime number because it is at equal distance from previous prime (55700797) and next prime (55700833).

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

It is a cyclic number.

It is not a de Polignac number, because 55700815 - 2⁵ = 55700783 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23179 + ... + 25468.

It is an arithmetic number, because the mean of its divisors is an integer number (8391780).

Almost surely, 2^55700815 is an apocalyptic number.

55700815 is a deficient number, since it is larger than the sum of its proper divisors (11433425).

55700815 is a wasteful number, since it uses less digits than its factorization.

55700815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48881.

The product of its (nonzero) digits is 7000, while the sum is 31.

The square root of 55700815 is about 7463.2978635453. The cubic root of 55700815 is about 381.9036858687.

The spelling of 55700815 in words is "fifty-five million, seven hundred thousand, eight hundred fifteen".