56770555 has 8 divisors (see below), whose sum is σ = 71086752. Its totient is φ = 43441728.

The previous prime is 56770541. The next prime is 56770559. The reversal of 56770555 is 55507765.

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 56770555 - 2⁵ = 56770523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56770559) 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, 246714 + ... + 246943.

It is an arithmetic number, because the mean of its divisors is an integer number (8885844).

Almost surely, 2^56770555 is an apocalyptic number.

56770555 is a deficient number, since it is larger than the sum of its proper divisors (14316197).

56770555 is a wasteful number, since it uses less digits than its factorization.

56770555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493685.

The product of its (nonzero) digits is 183750, while the sum is 40.

The square root of 56770555 is about 7534.6237464123. The cubic root of 56770555 is about 384.3330331162. Note that the first 3 decimals are identical.

The spelling of 56770555 in words is "fifty-six million, seven hundred seventy thousand, five hundred fifty-five".