56149456 has 20 divisors (see below), whose sum is σ = 118679904. Its totient is φ = 25522400.

The previous prime is 56149451. The next prime is 56149469. The reversal of 56149456 is 65494165.

It is a happy number.

It is a super-2 number, since 2×56149456² = 6305522818191872, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56149451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159340 + ... + 159691.

Almost surely, 2^56149456 is an apocalyptic number.

It is an amenable number.

56149456 is an abundant number, since it is smaller than the sum of its proper divisors (62530448).

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

56149456 is a wasteful number, since it uses less digits than its factorization.

56149456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319050 (or 319044 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The square root of 56149456 is about 7493.2940686990. The cubic root of 56149456 is about 382.9262902188.

The spelling of 56149456 in words is "fifty-six million, one hundred forty-nine thousand, four hundred fifty-six".