56003555 has 8 divisors (see below), whose sum is σ = 68634432. Its totient is φ = 43849408.

The previous prime is 56003537. The next prime is 56003557. The reversal of 56003555 is 55530065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56003555 - 2¹⁶ = 55938019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56003557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118922 + ... + 119391.

It is an arithmetic number, because the mean of its divisors is an integer number (8579304).

Almost surely, 2^56003555 is an apocalyptic number.

56003555 is a deficient number, since it is larger than the sum of its proper divisors (12630877).

56003555 is a wasteful number, since it uses less digits than its factorization.

56003555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238365.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 56003555 is about 7483.5522982070. The cubic root of 56003555 is about 382.5943321812.

The spelling of 56003555 in words is "fifty-six million, three thousand, five hundred fifty-five".