55632857 has 8 divisors (see below), whose sum is σ = 67320576. Its totient is φ = 44880192.

The previous prime is 55632853. The next prime is 55632869. The reversal of 55632857 is 75823655.

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

It is not a de Polignac number, because 55632857 - 2² = 55632853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55632851) 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, 233633 + ... + 233870.

It is an arithmetic number, because the mean of its divisors is an integer number (8415072).

Almost surely, 2^55632857 is an apocalyptic number.

It is an amenable number.

55632857 is a deficient number, since it is larger than the sum of its proper divisors (11687719).

55632857 is a wasteful number, since it uses less digits than its factorization.

55632857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467527.

The product of its digits is 252000, while the sum is 41.

The square root of 55632857 is about 7458.7436609660. The cubic root of 55632857 is about 381.7483082936.

The spelling of 55632857 in words is "fifty-five million, six hundred thirty-two thousand, eight hundred fifty-seven".