52016557 has 2 divisors, whose sum is σ = 52016558. Its totient is φ = 52016556.

The previous prime is 52016539. The next prime is 52016567. The reversal of 52016557 is 75561025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36168196 + 15848361 = 6014^2 + 3981^2 .

It is a cyclic number.

It is not a de Polignac number, because 52016557 - 2²³ = 43627949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52016507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26008278 + 26008279.

It is an arithmetic number, because the mean of its divisors is an integer number (26008279).

Almost surely, 2^52016557 is an apocalyptic number.

It is an amenable number.

52016557 is a deficient number, since it is larger than the sum of its proper divisors (1).

52016557 is an equidigital number, since it uses as much as digits as its factorization.

52016557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 52016557 is about 7212.2504809525. The cubic root of 52016557 is about 373.2907263416.

The spelling of 52016557 in words is "fifty-two million, sixteen thousand, five hundred fifty-seven".