55716775 has 12 divisors (see below), whose sum is σ = 69192000. Its totient is φ = 44506880.

The previous prime is 55716763. The next prime is 55716781. The reversal of 55716775 is 57761755.

It is not a de Polignac number, because 55716775 - 2⁹ = 55716263 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22026 + ... + 24424.

It is an arithmetic number, because the mean of its divisors is an integer number (5766000).

Almost surely, 2^55716775 is an apocalyptic number.

55716775 is a deficient number, since it is larger than the sum of its proper divisors (13475225).

55716775 is a wasteful number, since it uses less digits than its factorization.

55716775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338 (or 3333 counting only the distinct ones).

The product of its digits is 257250, while the sum is 43.

The square root of 55716775 is about 7464.3670193795. The cubic root of 55716775 is about 381.9401581105.

The spelling of 55716775 in words is "fifty-five million, seven hundred sixteen thousand, seven hundred seventy-five".