55453658 has 16 divisors (see below), whose sum is σ = 89722080. Its totient is φ = 25553136.

The previous prime is 55453591. The next prime is 55453691. The reversal of 55453658 is 85635455.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20213 + ... + 22791.

It is an arithmetic number, because the mean of its divisors is an integer number (5607630).

Almost surely, 2^55453658 is an apocalyptic number.

55453658 is a deficient number, since it is larger than the sum of its proper divisors (34268422).

55453658 is a wasteful number, since it uses less digits than its factorization.

55453658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421.

The product of its digits is 360000, while the sum is 41.

The square root of 55453658 is about 7446.7212919512. The cubic root of 55453658 is about 381.3379842443.

The spelling of 55453658 in words is "fifty-five million, four hundred fifty-three thousand, six hundred fifty-eight".