56772149 has 8 divisors (see below), whose sum is σ = 64931328. Its totient is φ = 48625200.

The previous prime is 56772143. The next prime is 56772161. The reversal of 56772149 is 94127765.

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

It is a cyclic number.

It is not a de Polignac number, because 56772149 - 2²⁰ = 55723573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56772143) 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, 11579 + ... + 15735.

It is an arithmetic number, because the mean of its divisors is an integer number (8116416).

Almost surely, 2^56772149 is an apocalyptic number.

It is an amenable number.

56772149 is a deficient number, since it is larger than the sum of its proper divisors (8159179).

56772149 is a wasteful number, since it uses less digits than its factorization.

56772149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6115.

The product of its digits is 105840, while the sum is 41.

The square root of 56772149 is about 7534.7295240108. The cubic root of 56772149 is about 384.3366301752.

The spelling of 56772149 in words is "fifty-six million, seven hundred seventy-two thousand, one hundred forty-nine".