56736535 has 4 divisors (see below), whose sum is σ = 68083848. Its totient is φ = 45389224.

The previous prime is 56736487. The next prime is 56736587. The reversal of 56736535 is 53563765.

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

It is a cyclic number.

It is not a de Polignac number, because 56736535 - 2¹⁵ = 56703767 is a prime.

It is a Duffinian number.

It is a congruent 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, 5673649 + ... + 5673658.

It is an arithmetic number, because the mean of its divisors is an integer number (17020962).

Almost surely, 2^56736535 is an apocalyptic number.

56736535 is a deficient number, since it is larger than the sum of its proper divisors (11347313).

56736535 is a wasteful number, since it uses less digits than its factorization.

56736535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11347312.

The product of its digits is 283500, while the sum is 40.

The square root of 56736535 is about 7532.3658302024. The cubic root of 56736535 is about 384.2562466999.

The spelling of 56736535 in words is "fifty-six million, seven hundred thirty-six thousand, five hundred thirty-five".