52993390 has 8 divisors (see below), whose sum is σ = 95388120. Its totient is φ = 21197352.

The previous prime is 52993373. The next prime is 52993399. The reversal of 52993390 is 9339925.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52993399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2649660 + ... + 2649679.

It is an arithmetic number, because the mean of its divisors is an integer number (11923515).

Almost surely, 2^52993390 is an apocalyptic number.

52993390 is a deficient number, since it is larger than the sum of its proper divisors (42394730).

52993390 is a wasteful number, since it uses less digits than its factorization.

52993390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5299346.

The product of its (nonzero) digits is 65610, while the sum is 40.

The square root of 52993390 is about 7279.6558984611. The cubic root of 52993390 is about 375.6129590189.

The spelling of 52993390 in words is "fifty-two million, nine hundred ninety-three thousand, three hundred ninety".