56735555 has 4 divisors (see below), whose sum is σ = 68082672. Its totient is φ = 45388440.

The previous prime is 56735537. The next prime is 56735621. The reversal of 56735555 is 55553765.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 56735555 - 2⁸ = 56735299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5673551 + ... + 5673560.

It is an arithmetic number, because the mean of its divisors is an integer number (17020668).

Almost surely, 2^56735555 is an apocalyptic number.

56735555 is a deficient number, since it is larger than the sum of its proper divisors (11347117).

56735555 is a wasteful number, since it uses less digits than its factorization.

56735555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11347116.

The product of its digits is 393750, while the sum is 41.

The square root of 56735555 is about 7532.3007773190. The cubic root of 56735555 is about 384.2540342907.

The spelling of 56735555 in words is "fifty-six million, seven hundred thirty-five thousand, five hundred fifty-five".