55260278 has 16 divisors (see below), whose sum is σ = 84194640. Its totient is φ = 27198336.

The previous prime is 55260253. The next prime is 55260281. The reversal of 55260278 is 87206255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49826 + ... + 50922.

It is an arithmetic number, because the mean of its divisors is an integer number (5262165).

Almost surely, 2^55260278 is an apocalyptic number.

55260278 is a deficient number, since it is larger than the sum of its proper divisors (28934362).

55260278 is a wasteful number, since it uses less digits than its factorization.

55260278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 55260278 is about 7433.7257146064. The cubic root of 55260278 is about 380.8941961131.

The spelling of 55260278 in words is "fifty-five million, two hundred sixty thousand, two hundred seventy-eight".