56756940 has 24 divisors (see below), whose sum is σ = 158919600. Its totient is φ = 15135168.

The previous prime is 56756911. The next prime is 56756941. The reversal of 56756940 is 4965765.

It is a junction number, because it is equal to n+sod(n) for n = 56756892 and 56756901.

It is not an unprimeable number, because it can be changed into a prime (56756941) 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, 472915 + ... + 473034.

It is an arithmetic number, because the mean of its divisors is an integer number (6621650).

Almost surely, 2^56756940 is an apocalyptic number.

It is an amenable number.

56756940 is an abundant number, since it is smaller than the sum of its proper divisors (102162660).

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

56756940 is a wasteful number, since it uses less digits than its factorization.

56756940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945961 (or 945959 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 56756940 is about 7533.7201965563. The cubic root of 56756940 is about 384.3023064327.

The spelling of 56756940 in words is "fifty-six million, seven hundred fifty-six thousand, nine hundred forty".