53083990 has 16 divisors (see below), whose sum is σ = 95936400. Its totient is φ = 21148000.

The previous prime is 53083963. The next prime is 53083999. The reversal of 53083990 is 9938035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53083999) by changing a digit.

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, 8065 + ... + 13084.

It is an arithmetic number, because the mean of its divisors is an integer number (5996025).

Almost surely, 2^53083990 is an apocalyptic number.

53083990 is a deficient number, since it is larger than the sum of its proper divisors (42852410).

53083990 is a wasteful number, since it uses less digits than its factorization.

53083990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21407.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 53083990 is about 7285.8760626297. The cubic root of 53083990 is about 375.8268923609.

The spelling of 53083990 in words is "fifty-three million, eighty-three thousand, nine hundred ninety".