55794815 has 4 divisors (see below), whose sum is σ = 66953784. Its totient is φ = 44635848.

The previous prime is 55794793. The next prime is 55794821. The reversal of 55794815 is 51849755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51849755 = 5 ⋅10369951.

It is a cyclic number.

It is not a de Polignac number, because 55794815 - 2⁶ = 55794751 is a prime.

It is a super-2 number, since 2×55794815² = 6226122761768450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5579477 + ... + 5579486.

It is an arithmetic number, because the mean of its divisors is an integer number (16738446).

Almost surely, 2^55794815 is an apocalyptic number.

55794815 is a deficient number, since it is larger than the sum of its proper divisors (11158969).

55794815 is a wasteful number, since it uses less digits than its factorization.

55794815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11158968.

The product of its digits is 252000, while the sum is 44.

The square root of 55794815 is about 7469.5926930456. The cubic root of 55794815 is about 382.1183970968.

The spelling of 55794815 in words is "fifty-five million, seven hundred ninety-four thousand, eight hundred fifteen".