53239790 has 16 divisors (see below), whose sum is σ = 96008112. Its totient is φ = 21256704.

The previous prime is 53239789. The next prime is 53239811. The reversal of 53239790 is 9793235.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1157 + ... + 10383.

It is an arithmetic number, because the mean of its divisors is an integer number (6000507).

Almost surely, 2^53239790 is an apocalyptic number.

53239790 is a deficient number, since it is larger than the sum of its proper divisors (42768322).

53239790 is a wasteful number, since it uses less digits than its factorization.

53239790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9811.

The product of its (nonzero) digits is 51030, while the sum is 38.

The square root of 53239790 is about 7296.5601484535. The cubic root of 53239790 is about 376.1942136471.

The spelling of 53239790 in words is "fifty-three million, two hundred thirty-nine thousand, seven hundred ninety".