57650421 has 8 divisors (see below), whose sum is σ = 79346944. Its totient is φ = 37193760.

The previous prime is 57650419. The next prime is 57650447. The reversal of 57650421 is 12405675.

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

It is not a de Polignac number, because 57650421 - 2¹ = 57650419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57650221) 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, 309856 + ... + 310041.

It is an arithmetic number, because the mean of its divisors is an integer number (9918368).

Almost surely, 2^57650421 is an apocalyptic number.

It is an amenable number.

57650421 is a deficient number, since it is larger than the sum of its proper divisors (21696523).

57650421 is a wasteful number, since it uses less digits than its factorization.

57650421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619931.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 57650421 is about 7592.7874328207. The cubic root of 57650421 is about 386.3084083391.

The spelling of 57650421 in words is "fifty-seven million, six hundred fifty thousand, four hundred twenty-one".