53109928 has 8 divisors (see below), whose sum is σ = 99581130. Its totient is φ = 26554960.

The previous prime is 53109899. The next prime is 53109937. The reversal of 53109928 is 82990135.

It can be written as a sum of positive squares in only one way, i.e., 40985604 + 12124324 = 6402^2 + 3482^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3319363 + ... + 3319378.

Almost surely, 2^53109928 is an apocalyptic number.

It is an amenable number.

53109928 is a deficient number, since it is larger than the sum of its proper divisors (46471202).

53109928 is a wasteful number, since it uses less digits than its factorization.

53109928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6638747 (or 6638743 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 53109928 is about 7287.6558645425. The cubic root of 53109928 is about 375.8880948103. Note that the first 3 decimals are identical.

The spelling of 53109928 in words is "fifty-three million, one hundred nine thousand, nine hundred twenty-eight".