657455055 has 8 divisors (see below), whose sum is σ = 1051928112. Its totient is φ = 350642688.

The previous prime is 657455053. The next prime is 657455063. The reversal of 657455055 is 550554756.

It is a happy number.

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

It is not a de Polignac number, because 657455055 - 2¹ = 657455053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 657454998 and 657455016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (657455053) 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, 21915154 + ... + 21915183.

It is an arithmetic number, because the mean of its divisors is an integer number (131491014).

Almost surely, 2^657455055 is an apocalyptic number.

657455055 is a deficient number, since it is larger than the sum of its proper divisors (394473057).

657455055 is a wasteful number, since it uses less digits than its factorization.

657455055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43830345.

The product of its (nonzero) digits is 525000, while the sum is 42.

The square root of 657455055 is about 25640.8863926347. The cubic root of 657455055 is about 869.5382475036.

The spelling of 657455055 in words is "six hundred fifty-seven million, four hundred fifty-five thousand, fifty-five".