53980998 has 8 divisors (see below), whose sum is σ = 107962008. Its totient is φ = 17993664.

The previous prime is 53980991. The next prime is 53980999. The reversal of 53980998 is 89908935.

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

53980998 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 53980998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53980991) 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, 4498411 + ... + 4498422.

It is an arithmetic number, because the mean of its divisors is an integer number (13495251).

Almost surely, 2^53980998 is an apocalyptic number.

53980998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53980998 is a wasteful number, since it uses less digits than its factorization.

53980998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8996838.

The product of its (nonzero) digits is 699840, while the sum is 51.

The square root of 53980998 is about 7347.1761922524. The cubic root of 53980998 is about 377.9319745453.

The spelling of 53980998 in words is "fifty-three million, nine hundred eighty thousand, nine hundred ninety-eight".