52646290 has 16 divisors (see below), whose sum is σ = 96370560. Its totient is φ = 20701360.

The previous prime is 52646261. The next prime is 52646299. The reversal of 52646290 is 9264625.

It is not an unprimeable number, because it can be changed into a prime (52646299) 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 in 7 ways as a sum of consecutive naturals, for example, 44026 + ... + 45205.

It is an arithmetic number, because the mean of its divisors is an integer number (6023160).

Almost surely, 2^52646290 is an apocalyptic number.

52646290 is a deficient number, since it is larger than the sum of its proper divisors (43724270).

52646290 is a wasteful number, since it uses less digits than its factorization.

52646290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89297.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 52646290 is about 7255.7763195953. The cubic root of 52646290 is about 374.7910895647.

The spelling of 52646290 in words is "fifty-two million, six hundred forty-six thousand, two hundred ninety".