55603015 has 8 divisors (see below), whose sum is σ = 71856288. Its totient is φ = 41060640.

The previous prime is 55603007. The next prime is 55603027. The reversal of 55603015 is 51030655.

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

It is not a de Polignac number, because 55603015 - 2³ = 55603007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427651 + ... + 427780.

It is an arithmetic number, because the mean of its divisors is an integer number (8982036).

Almost surely, 2^55603015 is an apocalyptic number.

55603015 is a deficient number, since it is larger than the sum of its proper divisors (16253273).

55603015 is a wasteful number, since it uses less digits than its factorization.

55603015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855449.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 55603015 is about 7456.7429216783. The cubic root of 55603015 is about 381.6800382629.

The spelling of 55603015 in words is "fifty-five million, six hundred three thousand, fifteen".