56149923 has 8 divisors (see below), whose sum is σ = 78121728. Its totient is φ = 35805704.

The previous prime is 56149903. The next prime is 56149931. The reversal of 56149923 is 32994165.

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 56149923 - 2¹³ = 56141731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56149903) 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, 406815 + ... + 406952.

It is an arithmetic number, because the mean of its divisors is an integer number (9765216).

Almost surely, 2^56149923 is an apocalyptic number.

56149923 is a deficient number, since it is larger than the sum of its proper divisors (21971805).

56149923 is a wasteful number, since it uses less digits than its factorization.

56149923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813793.

The product of its digits is 58320, while the sum is 39.

The square root of 56149923 is about 7493.3252298295. The cubic root of 56149923 is about 382.9273518265.

The spelling of 56149923 in words is "fifty-six million, one hundred forty-nine thousand, nine hundred twenty-three".