53198976 has 128 divisors (see below), whose sum is σ = 150796800. Its totient is φ = 16588800.

The previous prime is 53198947. The next prime is 53199011. The reversal of 53198976 is 67989135.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488010 + ... + 488118.

It is an arithmetic number, because the mean of its divisors is an integer number (1178100).

Almost surely, 2^53198976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53198976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75398400).

53198976 is an abundant number, since it is smaller than the sum of its proper divisors (97597824).

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

53198976 is a wasteful number, since it uses less digits than its factorization.

53198976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 186 counting only the distinct ones).

The product of its digits is 408240, while the sum is 48.

The square root of 53198976 is about 7293.7628148988. The cubic root of 53198976 is about 376.0980580224.

The spelling of 53198976 in words is "fifty-three million, one hundred ninety-eight thousand, nine hundred seventy-six".