52291607 has 2 divisors, whose sum is σ = 52291608. Its totient is φ = 52291606.

The previous prime is 52291573. The next prime is 52291621. The reversal of 52291607 is 70619225.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52291607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52291697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26145803 + 26145804.

It is an arithmetic number, because the mean of its divisors is an integer number (26145804).

Almost surely, 2^52291607 is an apocalyptic number.

52291607 is a deficient number, since it is larger than the sum of its proper divisors (1).

52291607 is an equidigital number, since it uses as much as digits as its factorization.

52291607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 52291607 is about 7231.2935910527. The cubic root of 52291607 is about 373.9475247375.

It can be divided in two parts, 522 and 91607, that added together give a palindrome (92129).

The spelling of 52291607 in words is "fifty-two million, two hundred ninety-one thousand, six hundred seven".