55604437 has 8 divisors (see below), whose sum is σ = 63689472. Its totient is φ = 47554800.

The previous prime is 55604429. The next prime is 55604477. The reversal of 55604437 is 73440655.

It is a happy number.

55604437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55604437 - 2³ = 55604429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55604407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5389 + ... + 11842.

It is an arithmetic number, because the mean of its divisors is an integer number (7961184).

Almost surely, 2^55604437 is an apocalyptic number.

It is an amenable number.

55604437 is a deficient number, since it is larger than the sum of its proper divisors (8085035).

55604437 is a wasteful number, since it uses less digits than its factorization.

55604437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17699.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 55604437 is about 7456.8382710100. The cubic root of 55604437 is about 381.6832919497.

The spelling of 55604437 in words is "fifty-five million, six hundred four thousand, four hundred thirty-seven".