52158551 has 2 divisors, whose sum is σ = 52158552. Its totient is φ = 52158550.

The previous prime is 52158487. The next prime is 52158569. The reversal of 52158551 is 15585125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52158551 - 2⁶ = 52158487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52158581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26079275 + 26079276.

It is an arithmetic number, because the mean of its divisors is an integer number (26079276).

Almost surely, 2^52158551 is an apocalyptic number.

52158551 is a deficient number, since it is larger than the sum of its proper divisors (1).

52158551 is an equidigital number, since it uses as much as digits as its factorization.

52158551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10000, while the sum is 32.

The square root of 52158551 is about 7222.0877175509. The cubic root of 52158551 is about 373.6300855038.

The spelling of 52158551 in words is "fifty-two million, one hundred fifty-eight thousand, five hundred fifty-one".