55604517 has 8 divisors (see below), whose sum is σ = 74173824. Its totient is φ = 37052448.

The previous prime is 55604509. The next prime is 55604519. The reversal of 55604517 is 71540655.

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

It is not a de Polignac number, because 55604517 - 2³ = 55604509 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55604519) 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, 10228 + ... + 14690.

It is an arithmetic number, because the mean of its divisors is an integer number (9271728).

Almost surely, 2^55604517 is an apocalyptic number.

It is an amenable number.

55604517 is a deficient number, since it is larger than the sum of its proper divisors (18569307).

55604517 is a wasteful number, since it uses less digits than its factorization.

55604517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8619.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 55604517 is about 7456.8436352119. The cubic root of 55604517 is about 381.6834749965.

The spelling of 55604517 in words is "fifty-five million, six hundred four thousand, five hundred seventeen".