56149390 has 16 divisors (see below), whose sum is σ = 110257200. Its totient is φ = 20417920.

The previous prime is 56149381. The next prime is 56149403. The reversal of 56149390 is 9394165.

56149390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255115 + ... + 255334.

It is an arithmetic number, because the mean of its divisors is an integer number (6891075).

Almost surely, 2^56149390 is an apocalyptic number.

56149390 is a deficient number, since it is larger than the sum of its proper divisors (54107810).

56149390 is a wasteful number, since it uses less digits than its factorization.

56149390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510467.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 56149390 is about 7493.2896647601. The cubic root of 56149390 is about 382.9261401839.

The spelling of 56149390 in words is "fifty-six million, one hundred forty-nine thousand, three hundred ninety".