55277292 has 36 divisors (see below), whose sum is σ = 150039960. Its totient is φ = 15793344.

The previous prime is 55277291. The next prime is 55277333. The reversal of 55277292 is 29277255.

It is a self number, because there is not a number n which added to its sum of digits gives 55277292.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55277291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46417 + ... + 47592.

Almost surely, 2^55277292 is an apocalyptic number.

It is an amenable number.

55277292 is an abundant number, since it is smaller than the sum of its proper divisors (94762668).

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

55277292 is a wasteful number, since it uses less digits than its factorization.

55277292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94030 (or 94021 counting only the distinct ones).

The product of its digits is 88200, while the sum is 39.

The square root of 55277292 is about 7434.8700055885. The cubic root of 55277292 is about 380.9332830734.

The spelling of 55277292 in words is "fifty-five million, two hundred seventy-seven thousand, two hundred ninety-two".