58420921 has 8 divisors (see below), whose sum is σ = 63181440. Its totient is φ = 53698512.

The previous prime is 58420919. The next prime is 58420931. The reversal of 58420921 is 12902485.

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 58420921 - 2¹ = 58420919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58420931) 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, 6295 + ... + 12508.

It is an arithmetic number, because the mean of its divisors is an integer number (7897680).

Almost surely, 2^58420921 is an apocalyptic number.

It is an amenable number.

58420921 is a deficient number, since it is larger than the sum of its proper divisors (4760519).

58420921 is a wasteful number, since it uses less digits than its factorization.

58420921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19055.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 58420921 is about 7643.3579662345. The cubic root of 58420921 is about 388.0218063523.

The spelling of 58420921 in words is "fifty-eight million, four hundred twenty thousand, nine hundred twenty-one".