57258823 has 2 divisors, whose sum is σ = 57258824. Its totient is φ = 57258822.

The previous prime is 57258821. The next prime is 57258827. The reversal of 57258823 is 32885275.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57258823 - 2¹ = 57258821 is a prime.

It is a super-2 number, since 2×57258823² = 6557145622690658, which contains 22 as substring.

Together with 57258821, 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 (57258821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28629411 + 28629412.

It is an arithmetic number, because the mean of its divisors is an integer number (28629412).

Almost surely, 2^57258823 is an apocalyptic number.

57258823 is a deficient number, since it is larger than the sum of its proper divisors (1).

57258823 is an equidigital number, since it uses as much as digits as its factorization.

57258823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 40.

The square root of 57258823 is about 7566.9559930001. The cubic root of 57258823 is about 385.4317369567.

It can be divided in two parts, 57258 and 823, that added together give a square (58081 = 241²).

The spelling of 57258823 in words is "fifty-seven million, two hundred fifty-eight thousand, eight hundred twenty-three".