52355857 has 2 divisors, whose sum is σ = 52355858. Its totient is φ = 52355856.

The previous prime is 52355813. The next prime is 52355881. The reversal of 52355857 is 75855325.

It is a happy number.

52355857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35414401 + 16941456 = 5951^2 + 4116^2 .

It is a cyclic number.

It is not a de Polignac number, because 52355857 - 2¹¹ = 52353809 is a prime.

It is a super-2 number, since 2×52355857² = 5482271524408898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52355057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26177928 + 26177929.

It is an arithmetic number, because the mean of its divisors is an integer number (26177929).

Almost surely, 2^52355857 is an apocalyptic number.

It is an amenable number.

52355857 is a deficient number, since it is larger than the sum of its proper divisors (1).

52355857 is an equidigital number, since it uses as much as digits as its factorization.

52355857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 210000, while the sum is 40.

The square root of 52355857 is about 7235.7347242695. The cubic root of 52355857 is about 374.1006168324.

The spelling of 52355857 in words is "fifty-two million, three hundred fifty-five thousand, eight hundred fifty-seven".