55277285280624 has 120 divisors (see below), whose sum is σ = 169487533858032. Its totient is φ = 16678801013760.

The previous prime is 55277285280601. The next prime is 55277285280641. The reversal of 55277285280624 is 42608258277255.

55277285280624 is a `hidden beast` number, since 5 + 5 + 2 + 77 + 285 + 280 + 6 + 2 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74517787 + ... + 75255930.

Almost surely, 2^{55277285280624} is an apocalyptic number.

It is an amenable number.

55277285280624 is an abundant number, since it is smaller than the sum of its proper divisors (114210248577408).

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

55277285280624 is a wasteful number, since it uses less digits than its factorization.

55277285280624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149773975 (or 149773966 counting only the distinct ones).

The product of its (nonzero) digits is 150528000, while the sum is 63.

The spelling of 55277285280624 in words is "fifty-five trillion, two hundred seventy-seven billion, two hundred eighty-five million, two hundred eighty thousand, six hundred twenty-four".