457655561 has 8 divisors (see below), whose sum is σ = 499981248. Its totient is φ = 415450000.

The previous prime is 457655551. The next prime is 457655581. The reversal of 457655561 is 165556754.

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 457655561 - 2²² = 453461257 is a prime.

It is a super-2 number, since 2×457655561² = 418897225028449442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (457655531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21965 + ... + 37386.

It is an arithmetic number, because the mean of its divisors is an integer number (62497656).

Almost surely, 2^457655561 is an apocalyptic number.

It is an amenable number.

457655561 is a deficient number, since it is larger than the sum of its proper divisors (42325687).

457655561 is a wasteful number, since it uses less digits than its factorization.

457655561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60063.

The product of its digits is 630000, while the sum is 44.

The square root of 457655561 is about 21392.8857567183. The cubic root of 457655561 is about 770.6305966003.

The spelling of 457655561 in words is "four hundred fifty-seven million, six hundred fifty-five thousand, five hundred sixty-one".