56735778 has 16 divisors (see below), whose sum is σ = 123787296. Its totient is φ = 17192640.

The previous prime is 56735771. The next prime is 56735813. The reversal of 56735778 is 87753765.

It is not an unprimeable number, because it can be changed into a prime (56735771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429751 + ... + 429882.

It is an arithmetic number, because the mean of its divisors is an integer number (7736706).

Almost surely, 2^56735778 is an apocalyptic number.

56735778 is an abundant number, since it is smaller than the sum of its proper divisors (67051518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56735778 is a wasteful number, since it uses less digits than its factorization.

56735778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859649.

The product of its digits is 1234800, while the sum is 48.

The square root of 56735778 is about 7532.3155802183. The cubic root of 56735778 is about 384.2545377289.

The spelling of 56735778 in words is "fifty-six million, seven hundred thirty-five thousand, seven hundred seventy-eight".