56121480 has 48 divisors (see below), whose sum is σ = 182395980. Its totient is φ = 14965632.

The previous prime is 56121469. The next prime is 56121491. The reversal of 56121480 is 8412165.

56121480 is a `hidden beast` number, since 5 + 612 + 1 + 48 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (56121469) and next prime (56121491).

It can be written as a sum of positive squares in 2 ways, for example, as 53319204 + 2802276 = 7302^2 + 1674^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77587 + ... + 78306.

Almost surely, 2^56121480 is an apocalyptic number.

It is an amenable number.

56121480 is an abundant number, since it is smaller than the sum of its proper divisors (126274500).

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

56121480 is a wasteful number, since it uses less digits than its factorization.

56121480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155910 (or 155903 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 56121480 is about 7491.4271003595. The cubic root of 56121480 is about 382.8626830394.

The spelling of 56121480 in words is "fifty-six million, one hundred twenty-one thousand, four hundred eighty".