53091776 has 28 divisors (see below), whose sum is σ = 110901480. Its totient is φ = 25148160.

The previous prime is 53091769. The next prime is 53091803. The reversal of 53091776 is 67719035.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20615 + ... + 23046.

Almost surely, 2^53091776 is an apocalyptic number.

It is an amenable number.

53091776 is an abundant number, since it is smaller than the sum of its proper divisors (57809704).

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

53091776 is a wasteful number, since it uses less digits than its factorization.

53091776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43692 (or 43682 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 53091776 is about 7286.4103645073. The cubic root of 53091776 is about 375.8452660434.

The spelling of 53091776 in words is "fifty-three million, ninety-one thousand, seven hundred seventy-six".