55298663 has 8 divisors (see below), whose sum is σ = 64391328. Its totient is φ = 46504224.

The previous prime is 55298653. The next prime is 55298687. The reversal of 55298663 is 36689255.

It is a happy number.

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 55298663 - 2⁸ = 55298407 is a prime.

It is a super-3 number, since 3×55298663³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55298623) 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, 74156 + ... + 74897.

It is an arithmetic number, because the mean of its divisors is an integer number (8048916).

Almost surely, 2^55298663 is an apocalyptic number.

55298663 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

55298663 is a deficient number, since it is larger than the sum of its proper divisors (9092665).

55298663 is a wasteful number, since it uses less digits than its factorization.

55298663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149113.

The product of its digits is 388800, while the sum is 44.

The square root of 55298663 is about 7436.3070808029. The cubic root of 55298663 is about 380.9823681858.

The spelling of 55298663 in words is "fifty-five million, two hundred ninety-eight thousand, six hundred sixty-three".