53188977 has 16 divisors (see below), whose sum is σ = 71827200. Its totient is φ = 35008512.

The previous prime is 53188957. The next prime is 53189009. The reversal of 53188977 is 77988135.

It is not a de Polignac number, because 53188977 - 2¹² = 53184881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53188907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114648 + ... + 115110.

It is an arithmetic number, because the mean of its divisors is an integer number (4489200).

Almost surely, 2^53188977 is an apocalyptic number.

It is an amenable number.

53188977 is a deficient number, since it is larger than the sum of its proper divisors (18638223).

53188977 is a wasteful number, since it uses less digits than its factorization.

53188977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872.

The product of its digits is 423360, while the sum is 48.

The square root of 53188977 is about 7293.0773340203. The cubic root of 53188977 is about 376.0744934077.

The spelling of 53188977 in words is "fifty-three million, one hundred eighty-eight thousand, nine hundred seventy-seven".