55022657 has 8 divisors (see below), whose sum is σ = 57723840. Its totient is φ = 52375120.

The previous prime is 55022621. The next prime is 55022677. The reversal of 55022657 is 75622055.

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 55022657 - 2⁶ = 55022593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55022677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11303 + ... + 15420.

It is an arithmetic number, because the mean of its divisors is an integer number (7215480).

Almost surely, 2^55022657 is an apocalyptic number.

It is an amenable number.

55022657 is a deficient number, since it is larger than the sum of its proper divisors (2701183).

55022657 is a wasteful number, since it uses less digits than its factorization.

55022657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26823.

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

The square root of 55022657 is about 7417.7258644412. The cubic root of 55022657 is about 380.3474592065.

The spelling of 55022657 in words is "fifty-five million, twenty-two thousand, six hundred fifty-seven".