55413663 has 8 divisors (see below), whose sum is σ = 73920000. Its totient is φ = 36924888.

The previous prime is 55413641. The next prime is 55413689. The reversal of 55413663 is 36631455.

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

It is not a de Polignac number, because 55413663 - 2⁶ = 55413599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55413563) 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, 7858 + ... + 13136.

It is an arithmetic number, because the mean of its divisors is an integer number (9240000).

Almost surely, 2^55413663 is an apocalyptic number.

55413663 is a deficient number, since it is larger than the sum of its proper divisors (18506337).

55413663 is a wasteful number, since it uses less digits than its factorization.

55413663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8781.

The product of its digits is 32400, while the sum is 33.

The square root of 55413663 is about 7444.0353975515. The cubic root of 55413663 is about 381.2462843676.

The spelling of 55413663 in words is "fifty-five million, four hundred thirteen thousand, six hundred sixty-three".