55353663 has 24 divisors (see below), whose sum is σ = 86317920. Its totient is φ = 34077120.

The previous prime is 55353643. The next prime is 55353667. The reversal of 55353663 is 36635355.

It is not a de Polignac number, because 55353663 - 2⁸ = 55353407 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55353667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1393 + ... + 10613.

It is an arithmetic number, because the mean of its divisors is an integer number (3596580).

Almost surely, 2^55353663 is an apocalyptic number.

55353663 is a deficient number, since it is larger than the sum of its proper divisors (30964257).

55353663 is a wasteful number, since it uses less digits than its factorization.

55353663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9279 (or 9276 counting only the distinct ones).

The product of its digits is 121500, while the sum is 36.

The square root of 55353663 is about 7440.0042338698. The cubic root of 55353663 is about 381.1086345727.

The spelling of 55353663 in words is "fifty-five million, three hundred fifty-three thousand, six hundred sixty-three".