56149719 has 8 divisors (see below), whose sum is σ = 74909952. Its totient is φ = 37411320.

The previous prime is 56149699. The next prime is 56149721. The reversal of 56149719 is 91794165.

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

It is not a de Polignac number, because 56149719 - 2⁷ = 56149591 is a prime.

It is a super-2 number, since 2×56149719² = 6305581887557922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56149319) 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, 2002 + ... + 10784.

It is an arithmetic number, because the mean of its divisors is an integer number (9363744).

Almost surely, 2^56149719 is an apocalyptic number.

56149719 is a deficient number, since it is larger than the sum of its proper divisors (18760233).

56149719 is a wasteful number, since it uses less digits than its factorization.

56149719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10917.

The product of its digits is 68040, while the sum is 42.

The square root of 56149719 is about 7493.3116177028. The cubic root of 56149719 is about 382.9268880843.

The spelling of 56149719 in words is "fifty-six million, one hundred forty-nine thousand, seven hundred nineteen".