52624890 has 40 divisors (see below), whose sum is σ = 141504660. Its totient is φ = 14033088.

The previous prime is 52624861. The next prime is 52624907. The reversal of 52624890 is 9842625.

It is a happy number.

52624890 is a `hidden beast` number, since 526 + 2 + 48 + 90 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 49154121 + 3470769 = 7011^2 + 1863^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31675 + ... + 33294.

Almost surely, 2^52624890 is an apocalyptic number.

52624890 is an abundant number, since it is smaller than the sum of its proper divisors (88879770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52624890 is a wasteful number, since it uses less digits than its factorization.

52624890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64988 (or 64979 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 52624890 is about 7254.3014825688. The cubic root of 52624890 is about 374.7403001909.

The spelling of 52624890 in words is "fifty-two million, six hundred twenty-four thousand, eight hundred ninety".