56562003 has 16 divisors (see below), whose sum is σ = 85048960. Its totient is φ = 37144008.

The previous prime is 56561983. The next prime is 56562007. The reversal of 56562003 is 30026565.

56562003 is a `hidden beast` number, since 5 + 656 + 2 + 0 + 0 + 3 = 666.

It is not a de Polignac number, because 56562003 - 2¹³ = 56553811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56562007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13825 + ... + 17442.

It is an arithmetic number, because the mean of its divisors is an integer number (5315560).

Almost surely, 2^56562003 is an apocalyptic number.

56562003 is a deficient number, since it is larger than the sum of its proper divisors (28486957).

56562003 is a wasteful number, since it uses less digits than its factorization.

56562003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31343 (or 31337 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 56562003 is about 7520.7714364951. The cubic root of 56562003 is about 383.8618277297.

Adding to 56562003 its reverse (30026565), we get a palindrome (86588568).

The spelling of 56562003 in words is "fifty-six million, five hundred sixty-two thousand, three".