52990634 has 4 divisors (see below), whose sum is σ = 79485954. Its totient is φ = 26495316.

The previous prime is 52990631. The next prime is 52990657. The reversal of 52990634 is 43609925.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46963609 + 6027025 = 6853^2 + 2455^2 .

It is not an unprimeable number, because it can be changed into a prime (52990631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13247657 + ... + 13247660.

Almost surely, 2^52990634 is an apocalyptic number.

52990634 is a deficient number, since it is larger than the sum of its proper divisors (26495320).

52990634 is a wasteful number, since it uses less digits than its factorization.

52990634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26495319.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 52990634 is about 7279.4666013383. The cubic root of 52990634 is about 375.6064474693.

The spelling of 52990634 in words is "fifty-two million, nine hundred ninety thousand, six hundred thirty-four".