55603610 has 8 divisors (see below), whose sum is σ = 100086516. Its totient is φ = 22241440.

The previous prime is 55603607. The next prime is 55603619. The reversal of 55603610 is 1630655.

It can be written as a sum of positive squares in 2 ways, for example, as 55100929 + 502681 = 7423^2 + 709^2 .

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

It is a super-2 number, since 2×55603610² = 6183522890064200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55603610.

It is not an unprimeable number, because it can be changed into a prime (55603619) 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, 2780171 + ... + 2780190.

Almost surely, 2^55603610 is an apocalyptic number.

55603610 is a deficient number, since it is larger than the sum of its proper divisors (44482906).

55603610 is a wasteful number, since it uses less digits than its factorization.

55603610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560368.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 55603610 is about 7456.7828183473. The cubic root of 55603610 is about 381.6813996927.

The spelling of 55603610 in words is "fifty-five million, six hundred three thousand, six hundred ten".