55630455 has 8 divisors (see below), whose sum is σ = 89008752. Its totient is φ = 29669568.

The previous prime is 55630427. The next prime is 55630483. The reversal of 55630455 is 55403655.

It is an interprime number because it is at equal distance from previous prime (55630427) and next prime (55630483).

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

It is not a de Polignac number, because 55630455 - 2⁶ = 55630391 is a prime.

It is a congruent 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, 1854334 + ... + 1854363.

It is an arithmetic number, because the mean of its divisors is an integer number (11126094).

Almost surely, 2^55630455 is an apocalyptic number.

55630455 is a deficient number, since it is larger than the sum of its proper divisors (33378297).

55630455 is a wasteful number, since it uses less digits than its factorization.

55630455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708705.

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 55630455 is about 7458.5826401536. The cubic root of 55630455 is about 381.7428141026.

The spelling of 55630455 in words is "fifty-five million, six hundred thirty thousand, four hundred fifty-five".