57630457 has 8 divisors (see below), whose sum is σ = 60070400. Its totient is φ = 55226880.

The previous prime is 57630409. The next prime is 57630467. The reversal of 57630457 is 75403675.

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 57630457 - 2⁷ = 57630329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57630407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5832 + ... + 12217.

It is an arithmetic number, because the mean of its divisors is an integer number (7508800).

Almost surely, 2^57630457 is an apocalyptic number.

It is an amenable number.

57630457 is a deficient number, since it is larger than the sum of its proper divisors (2439943).

57630457 is a wasteful number, since it uses less digits than its factorization.

57630457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18183.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 57630457 is about 7591.4726502833. The cubic root of 57630457 is about 386.2638110847.

The spelling of 57630457 in words is "fifty-seven million, six hundred thirty thousand, four hundred fifty-seven".