56058551 has 2 divisors, whose sum is σ = 56058552. Its totient is φ = 56058550.

The previous prime is 56058539. The next prime is 56058553. The reversal of 56058551 is 15585065.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56058551 - 2⁶ = 56058487 is a prime.

It is a super-2 number, since 2×56058551² = 6285122280439202, which contains 22 as substring.

Together with 56058553, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56058553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28029275 + 28029276.

It is an arithmetic number, because the mean of its divisors is an integer number (28029276).

Almost surely, 2^56058551 is an apocalyptic number.

56058551 is a deficient number, since it is larger than the sum of its proper divisors (1).

56058551 is an equidigital number, since it uses as much as digits as its factorization.

56058551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30000, while the sum is 35.

The square root of 56058551 is about 7487.2258547475. The cubic root of 56058551 is about 382.7195282461.

The spelling of 56058551 in words is "fifty-six million, fifty-eight thousand, five hundred fifty-one".