56289902 has 4 divisors (see below), whose sum is σ = 84434856. Its totient is φ = 28144950.

The previous prime is 56289887. The next prime is 56289917. The reversal of 56289902 is 20998265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20998265 = 5 ⋅4199653.

It is an interprime number because it is at equal distance from previous prime (56289887) and next prime (56289917).

It is a self number, because there is not a number n which added to its sum of digits gives 56289902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14072474 + ... + 14072477.

It is an arithmetic number, because the mean of its divisors is an integer number (21108714).

Almost surely, 2^56289902 is an apocalyptic number.

56289902 is a deficient number, since it is larger than the sum of its proper divisors (28144954).

56289902 is a wasteful number, since it uses less digits than its factorization.

56289902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28144953.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 56289902 is about 7502.6596617466. The cubic root of 56289902 is about 383.2452941275.

The spelling of 56289902 in words is "fifty-six million, two hundred eighty-nine thousand, nine hundred two".