56133149 has 8 divisors (see below), whose sum is σ = 57002400. Its totient is φ = 55268656.

The previous prime is 56133139. The next prime is 56133173. The reversal of 56133149 is 94133165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56133149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56133139) 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, 27827 + ... + 29775.

It is an arithmetic number, because the mean of its divisors is an integer number (7125300).

Almost surely, 2^56133149 is an apocalyptic number.

It is an amenable number.

56133149 is a deficient number, since it is larger than the sum of its proper divisors (869251).

56133149 is a wasteful number, since it uses less digits than its factorization.

56133149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379.

The product of its digits is 9720, while the sum is 32.

The square root of 56133149 is about 7492.2058834498. The cubic root of 56133149 is about 382.8892166414.

The spelling of 56133149 in words is "fifty-six million, one hundred thirty-three thousand, one hundred forty-nine".