56107149 has 16 divisors (see below), whose sum is σ = 85708800. Its totient is φ = 31981680.

The previous prime is 56107109. The next prime is 56107151. The reversal of 56107149 is 94170165.

It is not a de Polignac number, because 56107149 - 2⁸ = 56106893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56107109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5952 + ... + 12150.

It is an arithmetic number, because the mean of its divisors is an integer number (5356800).

Almost surely, 2^56107149 is an apocalyptic number.

It is an amenable number.

56107149 is a deficient number, since it is larger than the sum of its proper divisors (29601651).

56107149 is a wasteful number, since it uses less digits than its factorization.

56107149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6640.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 56107149 is about 7490.4705459671. The cubic root of 56107149 is about 382.8300914054.

The spelling of 56107149 in words is "fifty-six million, one hundred seven thousand, one hundred forty-nine".