52653390 has 16 divisors (see below), whose sum is σ = 126368208. Its totient is φ = 14040896.

The previous prime is 52653353. The next prime is 52653397. The reversal of 52653390 is 9335625.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52653397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877527 + ... + 877586.

It is an arithmetic number, because the mean of its divisors is an integer number (7898013).

Almost surely, 2^52653390 is an apocalyptic number.

52653390 is an abundant number, since it is smaller than the sum of its proper divisors (73714818).

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

52653390 is a wasteful number, since it uses less digits than its factorization.

52653390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755123.

The product of its (nonzero) digits is 24300, while the sum is 33.

The square root of 52653390 is about 7256.2655684588. The cubic root of 52653390 is about 374.8079372040.

The spelling of 52653390 in words is "fifty-two million, six hundred fifty-three thousand, three hundred ninety".