52491077 has 2 divisors, whose sum is σ = 52491078. Its totient is φ = 52491076.

The previous prime is 52491067. The next prime is 52491113. The reversal of 52491077 is 77019425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29441476 + 23049601 = 5426^2 + 4801^2 .

It is a cyclic number.

It is not a de Polignac number, because 52491077 - 2¹⁸ = 52228933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52491007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26245538 + 26245539.

It is an arithmetic number, because the mean of its divisors is an integer number (26245539).

Almost surely, 2^52491077 is an apocalyptic number.

It is an amenable number.

52491077 is a deficient number, since it is larger than the sum of its proper divisors (1).

52491077 is an equidigital number, since it uses as much as digits as its factorization.

52491077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 52491077 is about 7245.0726014306. The cubic root of 52491077 is about 374.4224044420.

The spelling of 52491077 in words is "fifty-two million, four hundred ninety-one thousand, seventy-seven".