53799984 has 80 divisors (see below), whose sum is σ = 176496640. Its totient is φ = 15370560.

The previous prime is 53799971. The next prime is 53799989. The reversal of 53799984 is 48999735.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 53799984.

It is not an unprimeable number, because it can be changed into a prime (53799989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5872 + ... + 11919.

It is an arithmetic number, because the mean of its divisors is an integer number (2206208).

Almost surely, 2^53799984 is an apocalyptic number.

53799984 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

53799984 is an abundant number, since it is smaller than the sum of its proper divisors (122696656).

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

53799984 is a wasteful number, since it uses less digits than its factorization.

53799984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17815 (or 17803 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 53799984 is about 7334.8472376731. The cubic root of 53799984 is about 377.5090628352.

The spelling of 53799984 in words is "fifty-three million, seven hundred ninety-nine thousand, nine hundred eighty-four".