53228376 has 24 divisors (see below), whose sum is σ = 144160380. Its totient is φ = 17742768.

The previous prime is 53228359. The next prime is 53228387. The reversal of 53228376 is 67382235.

It is a tau number, because it is divible by the number of its divisors (24).

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 53228376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 369570 + ... + 369713.

Almost surely, 2^53228376 is an apocalyptic number.

It is an amenable number.

53228376 is an abundant number, since it is smaller than the sum of its proper divisors (90932004).

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

53228376 is a wasteful number, since it uses less digits than its factorization.

53228376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739295 (or 739288 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 53228376 is about 7295.7779571475. Note that the first 3 decimals coincide. The cubic root of 53228376 is about 376.1673278182.

The spelling of 53228376 in words is "fifty-three million, two hundred twenty-eight thousand, three hundred seventy-six".