53374987 has 2 divisors, whose sum is σ = 53374988. Its totient is φ = 53374986.

The previous prime is 53374969. The next prime is 53375017. The reversal of 53374987 is 78947335.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53374987 - 2⁷ = 53374859 is a prime.

It is not a weakly prime, because it can be changed into another prime (53374967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26687493 + 26687494.

It is an arithmetic number, because the mean of its divisors is an integer number (26687494).

Almost surely, 2^53374987 is an apocalyptic number.

53374987 is a deficient number, since it is larger than the sum of its proper divisors (1).

53374987 is an equidigital number, since it uses as much as digits as its factorization.

53374987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 46.

The square root of 53374987 is about 7305.8187083995. The cubic root of 53374987 is about 376.5123800548.

The spelling of 53374987 in words is "fifty-three million, three hundred seventy-four thousand, nine hundred eighty-seven".