57655401 has 8 divisors (see below), whose sum is σ = 77390400. Its totient is φ = 38178672.

The previous prime is 57655397. The next prime is 57655421. The reversal of 57655401 is 10455675.

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

It is not a de Polignac number, because 57655401 - 2² = 57655397 is a prime.

It is a super-3 number, since 3×57655401³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (57655421) 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, 64045 + ... + 64938.

It is an arithmetic number, because the mean of its divisors is an integer number (9673800).

Almost surely, 2^57655401 is an apocalyptic number.

It is an amenable number.

57655401 is a deficient number, since it is larger than the sum of its proper divisors (19734999).

57655401 is a wasteful number, since it uses less digits than its factorization.

57655401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129135.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 57655401 is about 7593.1153685427. The cubic root of 57655401 is about 386.3195314755.

The spelling of 57655401 in words is "fifty-seven million, six hundred fifty-five thousand, four hundred one".