52890818 has 4 divisors (see below), whose sum is σ = 79336230. Its totient is φ = 26445408.

The previous prime is 52890793. The next prime is 52890829. The reversal of 52890818 is 81809825.

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., 49603849 + 3286969 = 7043^2 + 1813^2 .

It is an unprimeable number.

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, 13222703 + ... + 13222706.

Almost surely, 2^52890818 is an apocalyptic number.

52890818 is a deficient number, since it is larger than the sum of its proper divisors (26445412).

52890818 is a wasteful number, since it uses less digits than its factorization.

52890818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26445411.

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 52890818 is about 7272.6073728753. The cubic root of 52890818 is about 375.3704617529.

The spelling of 52890818 in words is "fifty-two million, eight hundred ninety thousand, eight hundred eighteen".