52118551 has 2 divisors, whose sum is σ = 52118552. Its totient is φ = 52118550.

The previous prime is 52118531. The next prime is 52118567. The reversal of 52118551 is 15581125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52118551 - 2¹¹ = 52116503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52118531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26059275 + 26059276.

It is an arithmetic number, because the mean of its divisors is an integer number (26059276).

Almost surely, 2^52118551 is an apocalyptic number.

52118551 is a deficient number, since it is larger than the sum of its proper divisors (1).

52118551 is an equidigital number, since it uses as much as digits as its factorization.

52118551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2000, while the sum is 28.

The square root of 52118551 is about 7219.3179040682. The cubic root of 52118551 is about 373.5345497114.

Adding to 52118551 its reverse (15581125), we get a palindrome (67699676).

The spelling of 52118551 in words is "fifty-two million, one hundred eighteen thousand, five hundred fifty-one".