55277530025278 has 48 divisors (see below), whose sum is σ = 92116589019840. Its totient is φ = 24857153640000.

The previous prime is 55277530025251. The next prime is 55277530025293. The reversal of 55277530025278 is 87252003577255.

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, 29169508 + ... + 31006696.

It is an arithmetic number, because the mean of its divisors is an integer number (1919095604580).

Almost surely, 2^{55277530025278} is an apocalyptic number.

55277530025278 is a deficient number, since it is larger than the sum of its proper divisors (36839058994562).

55277530025278 is a wasteful number, since it uses less digits than its factorization.

55277530025278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838545 (or 1838534 counting only the distinct ones).

The product of its (nonzero) digits is 41160000, while the sum is 58.

The spelling of 55277530025278 in words is "fifty-five trillion, two hundred seventy-seven billion, five hundred thirty million, twenty-five thousand, two hundred seventy-eight".