56071902 has 16 divisors (see below), whose sum is σ = 112289040. Its totient is φ = 18666432.

The previous prime is 56071879. The next prime is 56071903. The reversal of 56071902 is 20917065.

It is a self number, because there is not a number n which added to its sum of digits gives 56071902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56071903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663 + ... + 10610.

It is an arithmetic number, because the mean of its divisors is an integer number (7018065).

Almost surely, 2^56071902 is an apocalyptic number.

56071902 is an abundant number, since it is smaller than the sum of its proper divisors (56217138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56071902 is a wasteful number, since it uses less digits than its factorization.

56071902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12107.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 56071902 is about 7488.1173869004. The cubic root of 56071902 is about 382.7499088793.

Adding to 56071902 its reverse (20917065), we get a palindrome (76988967).

The spelling of 56071902 in words is "fifty-six million, seventy-one thousand, nine hundred two".