55630651 has 8 divisors (see below), whose sum is σ = 58698000. Its totient is φ = 52577280.

The previous prime is 55630643. The next prime is 55630717. The reversal of 55630651 is 15603655.

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 55630651 - 2³ = 55630643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55631651) 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, 5271 + ... + 11791.

It is an arithmetic number, because the mean of its divisors is an integer number (7337250).

Almost surely, 2^55630651 is an apocalyptic number.

55630651 is a deficient number, since it is larger than the sum of its proper divisors (3067349).

55630651 is a wasteful number, since it uses less digits than its factorization.

55630651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6989.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 55630651 is about 7458.5957793676. The cubic root of 55630651 is about 381.7432624272.

The spelling of 55630651 in words is "fifty-five million, six hundred thirty thousand, six hundred fifty-one".