52277772 has 24 divisors (see below), whose sum is σ = 122945536. Its totient is φ = 17288208.

The previous prime is 52277767. The next prime is 52277773. The reversal of 52277772 is 27777225.

It is a self number, because there is not a number n which added to its sum of digits gives 52277772.

It is not an unprimeable number, because it can be changed into a prime (52277773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15628 + ... + 18675.

Almost surely, 2^52277772 is an apocalyptic number.

It is an amenable number.

52277772 is an abundant number, since it is smaller than the sum of its proper divisors (70667764).

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

52277772 is a wasteful number, since it uses less digits than its factorization.

52277772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34437 (or 34435 counting only the distinct ones).

The product of its digits is 96040, while the sum is 39.

The square root of 52277772 is about 7230.3369216102. The cubic root of 52277772 is about 373.9145428969.

The spelling of 52277772 in words is "fifty-two million, two hundred seventy-seven thousand, seven hundred seventy-two".