56803490 has 16 divisors (see below), whose sum is σ = 103648248. Its totient is φ = 22409856.

The previous prime is 56803469. The next prime is 56803499. The reversal of 56803490 is 9430865.

It can be written as a sum of positive squares in 4 ways, for example, as 55995289 + 808201 = 7483^2 + 899^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56803490.

It is not an unprimeable number, because it can be changed into a prime (56803499) 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, 38177 + ... + 39636.

Almost surely, 2^56803490 is an apocalyptic number.

56803490 is a deficient number, since it is larger than the sum of its proper divisors (46844758).

56803490 is a wasteful number, since it uses less digits than its factorization.

56803490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77893.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 56803490 is about 7536.8090064695. The cubic root of 56803490 is about 384.4073413640.

The spelling of 56803490 in words is "fifty-six million, eight hundred three thousand, four hundred ninety".