55604463 has 4 divisors (see below), whose sum is σ = 74139288. Its totient is φ = 37069640.

The previous prime is 55604429. The next prime is 55604477. The reversal of 55604463 is 36440655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55604463 - 2¹³ = 55596271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55604413) 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, 9267408 + ... + 9267413.

It is an arithmetic number, because the mean of its divisors is an integer number (18534822).

Almost surely, 2^55604463 is an apocalyptic number.

55604463 is a deficient number, since it is larger than the sum of its proper divisors (18534825).

55604463 is a wasteful number, since it uses less digits than its factorization.

55604463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18534824.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 55604463 is about 7456.8400143761. The cubic root of 55604463 is about 381.6833514399.

The spelling of 55604463 in words is "fifty-five million, six hundred four thousand, four hundred sixty-three".