56149672 has 8 divisors (see below), whose sum is σ = 105280650. Its totient is φ = 28074832.

The previous prime is 56149669. The next prime is 56149673. The reversal of 56149672 is 27694165.

It can be written as a sum of positive squares in only one way, i.e., 30404196 + 25745476 = 5514^2 + 5074^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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

It is not an unprimeable number, because it can be changed into a prime (56149673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3509347 + ... + 3509362.

Almost surely, 2^56149672 is an apocalyptic number.

It is an amenable number.

56149672 is a deficient number, since it is larger than the sum of its proper divisors (49130978).

56149672 is a wasteful number, since it uses less digits than its factorization.

56149672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7018715 (or 7018711 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 56149672 is about 7493.3084815721. The cubic root of 56149672 is about 382.9267812415.

The spelling of 56149672 in words is "fifty-six million, one hundred forty-nine thousand, six hundred seventy-two".