53976 has 32 divisors (see below), whose sum is σ = 146160. Its totient is φ = 16512.

The previous prime is 53959. The next prime is 53987. The reversal of 53976 is 67935.

53976 = T₅₁ + T₅₂ + ... + T₇₆.

53976 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226 + ... + 398.

2⁵³⁹⁷⁶ 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 53976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73080).

53976 is an abundant number, since it is smaller than the sum of its proper divisors (92184).

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

53976 is a wasteful number, since it uses less digits than its factorization.

53976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 191 counting only the distinct ones).

The product of its digits is 5670, while the sum is 30.

The square root of 53976 is about 232.3273552555. The cubic root of 53976 is about 37.7920310180.

The spelling of 53976 in words is "fifty-three thousand, nine hundred seventy-six".