55005055050 has 96 divisors (see below), whose sum is σ = 148914754560. Its totient is φ = 13325502400.

The previous prime is 55005055019. The next prime is 55005055099. The reversal of 55005055050 is 5055050055.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55005054999 and 55005055017.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2601421 + ... + 2622479.

It is an arithmetic number, because the mean of its divisors is an integer number (1551195360).

Almost surely, 2^55005055050 is an apocalyptic number.

55005055050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55005055050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74457377280).

55005055050 is an abundant number, since it is smaller than the sum of its proper divisors (93909699510).

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

55005055050 is a wasteful number, since it uses less digits than its factorization.

55005055050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22668 (or 22663 counting only the distinct ones).

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

The spelling of 55005055050 in words is "fifty-five billion, five million, fifty-five thousand, fifty".