56402902 has 4 divisors (see below), whose sum is σ = 84604356. Its totient is φ = 28201450.

The previous prime is 56402891. The next prime is 56402909. The reversal of 56402902 is 20920465.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56402909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14100724 + ... + 14100727.

It is an arithmetic number, because the mean of its divisors is an integer number (21151089).

Almost surely, 2^56402902 is an apocalyptic number.

56402902 is a deficient number, since it is larger than the sum of its proper divisors (28201454).

56402902 is a wasteful number, since it uses less digits than its factorization.

56402902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28201453.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 56402902 is about 7510.1865489480. The cubic root of 56402902 is about 383.5015731999.

The spelling of 56402902 in words is "fifty-six million, four hundred two thousand, nine hundred two".