657055 has 8 divisors (see below), whose sum is σ = 901152. Its totient is φ = 450528.

The previous prime is 657049. The next prime is 657061. The reversal of 657055 is 550756.

657055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (657049) and next prime (657061).

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 657055 - 2³ = 657047 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, 9352 + ... + 9421.

It is an arithmetic number, because the mean of its divisors is an integer number (112644).

2⁶⁵⁷⁰⁵⁵ is an apocalyptic number.

657055 is a deficient number, since it is larger than the sum of its proper divisors (244097).

657055 is a wasteful number, since it uses less digits than its factorization.

657055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18785.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 657055 is about 810.5892918118. The cubic root of 657055 is about 86.9361843199.

The spelling of 657055 in words is "six hundred fifty-seven thousand, fifty-five".