53051976 has 64 divisors (see below), whose sum is σ = 149280000. Its totient is φ = 17454528.

The previous prime is 53051963. The next prime is 53051983. The reversal of 53051976 is 67915035.

It is a happy number.

53051976 is a `hidden beast` number, since 530 + 51 + 9 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 53051976.

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, 15510 + ... + 18618.

It is an arithmetic number, because the mean of its divisors is an integer number (2332500).

Almost surely, 2^53051976 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 53051976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74640000).

53051976 is an abundant number, since it is smaller than the sum of its proper divisors (96228024).

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

53051976 is a wasteful number, since it uses less digits than its factorization.

53051976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203 (or 3193 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 53051976 is about 7283.6787408562. The cubic root of 53051976 is about 375.7513256873.

The spelling of 53051976 in words is "fifty-three million, fifty-one thousand, nine hundred seventy-six".