56149216 has 24 divisors (see below), whose sum is σ = 112197960. Its totient is φ = 27654528.

The previous prime is 56149211. The next prime is 56149217. The reversal of 56149216 is 61294165.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56149211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10951 + ... + 15238.

It is an arithmetic number, because the mean of its divisors is an integer number (4674915).

Almost surely, 2^56149216 is an apocalyptic number.

It is an amenable number.

56149216 is a deficient number, since it is larger than the sum of its proper divisors (56048744).

56149216 is a wasteful number, since it uses less digits than its factorization.

56149216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26266 (or 26258 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 56149216 is about 7493.2780543631. The cubic root of 56149216 is about 382.9257446366.

It can be divided in two parts, 56149 and 216, that added together give a palindrome (56365).

The spelling of 56149216 in words is "fifty-six million, one hundred forty-nine thousand, two hundred sixteen".