53277138 has 12 divisors (see below), whose sum is σ = 115433838. Its totient is φ = 17759040.

The previous prime is 53277113. The next prime is 53277143. The reversal of 53277138 is 83177235.

It can be written as a sum of positive squares in only one way, i.e., 52664049 + 613089 = 7257^2 + 783^2 .

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, 1479903 + ... + 1479938.

Almost surely, 2^53277138 is an apocalyptic number.

53277138 is an abundant number, since it is smaller than the sum of its proper divisors (62156700).

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

53277138 is a wasteful number, since it uses less digits than its factorization.

53277138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959849 (or 2959846 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 53277138 is about 7299.1189879327. The cubic root of 53277138 is about 376.2821605089.

The spelling of 53277138 in words is "fifty-three million, two hundred seventy-seven thousand, one hundred thirty-eight".