56402603 has 4 divisors (see below), whose sum is σ = 57116640. Its totient is φ = 55688568.

The previous prime is 56402597. The next prime is 56402611. The reversal of 56402603 is 30620465.

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

It is a cyclic number.

It is not a de Polignac number, because 56402603 - 2⁴ = 56402587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56402663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356900 + ... + 357057.

It is an arithmetic number, because the mean of its divisors is an integer number (14279160).

Almost surely, 2^56402603 is an apocalyptic number.

56402603 is a deficient number, since it is larger than the sum of its proper divisors (714037).

56402603 is an equidigital number, since it uses as much as digits as its factorization.

56402603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714036.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 56402603 is about 7510.1666426252. The cubic root of 56402603 is about 383.5008955328.

The spelling of 56402603 in words is "fifty-six million, four hundred two thousand, six hundred three".