56149802 has 4 divisors (see below), whose sum is σ = 84224706. Its totient is φ = 28074900.

The previous prime is 56149801. The next prime is 56149811. The reversal of 56149802 is 20894165.

56149802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42393121 + 13756681 = 6511^2 + 3709^2 .

It is not an unprimeable number, because it can be changed into a prime (56149801) by changing a digit.

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 as a sum of consecutive naturals, namely, 14037449 + ... + 14037452.

Almost surely, 2^56149802 is an apocalyptic number.

56149802 is a deficient number, since it is larger than the sum of its proper divisors (28074904).

56149802 is a wasteful number, since it uses less digits than its factorization.

56149802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28074903.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 56149802 is about 7493.3171559730. The cubic root of 56149802 is about 382.9270767639.

The spelling of 56149802 in words is "fifty-six million, one hundred forty-nine thousand, eight hundred two".