57046421 has 8 divisors (see below), whose sum is σ = 57600480. Its totient is φ = 56495088.

The previous prime is 57046411. The next prime is 57046459. The reversal of 57046421 is 12464075.

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 57046421 - 2⁶ = 57046357 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 (57046411) 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, 91850 + ... + 92468.

It is an arithmetic number, because the mean of its divisors is an integer number (7200060).

Almost surely, 2^57046421 is an apocalyptic number.

It is an amenable number.

57046421 is a deficient number, since it is larger than the sum of its proper divisors (554059).

57046421 is a wasteful number, since it uses less digits than its factorization.

57046421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 57046421 is about 7552.9081154215. The cubic root of 57046421 is about 384.9545592066.

The spelling of 57046421 in words is "fifty-seven million, forty-six thousand, four hundred twenty-one".