55657022 has 8 divisors (see below), whose sum is σ = 83832672. Its totient is φ = 27712800.

The previous prime is 55656989. The next prime is 55657037. The reversal of 55657022 is 22075655.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55657022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57254 + ... + 58217.

It is an arithmetic number, because the mean of its divisors is an integer number (10479084).

Almost surely, 2^55657022 is an apocalyptic number.

55657022 is a deficient number, since it is larger than the sum of its proper divisors (28175650).

55657022 is a wasteful number, since it uses less digits than its factorization.

55657022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115714.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 55657022 is about 7460.3633959748. The cubic root of 55657022 is about 381.8035730719.

The spelling of 55657022 in words is "fifty-five million, six hundred fifty-seven thousand, twenty-two".