53277340 has 12 divisors (see below), whose sum is σ = 111882456. Its totient is φ = 21310928.

The previous prime is 53277283. The next prime is 53277359. The reversal of 53277340 is 4377235.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1331914 + ... + 1331953.

It is an arithmetic number, because the mean of its divisors is an integer number (9323538).

Almost surely, 2^53277340 is an apocalyptic number.

It is an amenable number.

53277340 is an abundant number, since it is smaller than the sum of its proper divisors (58605116).

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

53277340 is a wasteful number, since it uses less digits than its factorization.

53277340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663876 (or 2663874 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 53277340 is about 7299.1328252060. The cubic root of 53277340 is about 376.2826360656.

The spelling of 53277340 in words is "fifty-three million, two hundred seventy-seven thousand, three hundred forty".