55077103550 has 48 divisors (see below), whose sum is σ = 117137398560. Its totient is φ = 18874028160.

The previous prime is 55077103547. The next prime is 55077103619. The reversal of 55077103550 is 5530177055.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 671372 + ... + 748928.

It is an arithmetic number, because the mean of its divisors is an integer number (2440362470).

Almost surely, 2^55077103550 is an apocalyptic number.

55077103550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55077103550 is an abundant number, since it is smaller than the sum of its proper divisors (62060295010).

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

55077103550 is a wasteful number, since it uses less digits than its factorization.

55077103550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79605 (or 79600 counting only the distinct ones).

The product of its (nonzero) digits is 91875, while the sum is 38.

The spelling of 55077103550 in words is "fifty-five billion, seventy-seven million, one hundred three thousand, five hundred fifty".