56761390 has 32 divisors (see below), whose sum is σ = 117028800. Its totient is φ = 19417344.

The previous prime is 56761361. The next prime is 56761399. The reversal of 56761390 is 9316765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56761399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53586 + ... + 54634.

It is an arithmetic number, because the mean of its divisors is an integer number (3657150).

Almost surely, 2^56761390 is an apocalyptic number.

56761390 is an abundant number, since it is smaller than the sum of its proper divisors (60267410).

56761390 is a wasteful number, since it uses less digits than its factorization.

56761390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 56761390 is about 7534.0155295831. The cubic root of 56761390 is about 384.3123498481.

The spelling of 56761390 in words is "fifty-six million, seven hundred sixty-one thousand, three hundred ninety".