56491934 has 16 divisors (see below), whose sum is σ = 85928688. Its totient is φ = 27851712.

The previous prime is 56491871. The next prime is 56491937. The reversal of 56491934 is 43919465.

It is a junction number, because it is equal to n+sod(n) for n = 56491891 and 56491900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56491937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58802 + ... + 59754.

It is an arithmetic number, because the mean of its divisors is an integer number (5370543).

Almost surely, 2^56491934 is an apocalyptic number.

56491934 is a deficient number, since it is larger than the sum of its proper divisors (29436754).

56491934 is a wasteful number, since it uses less digits than its factorization.

56491934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339.

The product of its digits is 116640, while the sum is 41.

The square root of 56491934 is about 7516.1116276969. Note that the first 3 decimals coincide. The cubic root of 56491934 is about 383.7032529079.

The spelling of 56491934 in words is "fifty-six million, four hundred ninety-one thousand, nine hundred thirty-four".