58057621 has 2 divisors, whose sum is σ = 58057622. Its totient is φ = 58057620.

The previous prime is 58057619. The next prime is 58057627. The reversal of 58057621 is 12675085.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55204900 + 2852721 = 7430^2 + 1689^2 .

It is a cyclic number.

It is not a de Polignac number, because 58057621 - 2¹ = 58057619 is a prime.

Together with 58057619, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58057627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29028810 + 29028811.

It is an arithmetic number, because the mean of its divisors is an integer number (29028811).

Almost surely, 2^58057621 is an apocalyptic number.

It is an amenable number.

58057621 is a deficient number, since it is larger than the sum of its proper divisors (1).

58057621 is an equidigital number, since it uses as much as digits as its factorization.

58057621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 58057621 is about 7619.5551707432. Note that the first 3 decimals coincide. The cubic root of 58057621 is about 387.2158077188.

The spelling of 58057621 in words is "fifty-eight million, fifty-seven thousand, six hundred twenty-one".