55502525278 has 16 divisors (see below), whose sum is σ = 86132652480. Its totient is φ = 26791819936.

The previous prime is 55502525263. The next prime is 55502525297. The reversal of 55502525278 is 87252520555.

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, 682875 + ... + 759817.

It is an arithmetic number, because the mean of its divisors is an integer number (5383290780).

Almost surely, 2^55502525278 is an apocalyptic number.

55502525278 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

55502525278 is a deficient number, since it is larger than the sum of its proper divisors (30630127202).

55502525278 is a wasteful number, since it uses less digits than its factorization.

55502525278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89411.

The product of its (nonzero) digits is 1400000, while the sum is 46.

The spelling of 55502525278 in words is "fifty-five billion, five hundred two million, five hundred twenty-five thousand, two hundred seventy-eight".