55505050050 has 24 divisors (see below), whose sum is σ = 137652524496. Its totient is φ = 14801346640.

The previous prime is 55505050039. The next prime is 55505050079. The reversal of 55505050050 is 5005050555.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185016684 + ... + 185016983.

It is an arithmetic number, because the mean of its divisors is an integer number (5735521854).

Almost surely, 2^55505050050 is an apocalyptic number.

55505050050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55505050050 is an abundant number, since it is smaller than the sum of its proper divisors (82147474446).

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

55505050050 is a wasteful number, since it uses less digits than its factorization.

55505050050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370033682 (or 370033677 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 30.

The spelling of 55505050050 in words is "fifty-five billion, five hundred five million, fifty thousand, fifty".