50611055550 has 48 divisors (see below), whose sum is σ = 136925914752. Its totient is φ = 12269346400.

The previous prime is 50611055477. The next prime is 50611055597. The reversal of 50611055550 is 5555011605.

It is a super-2 number, since 2×50611055550² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15335034 + ... + 15338333.

It is an arithmetic number, because the mean of its divisors is an integer number (2852623224).

Almost surely, 2^50611055550 is an apocalyptic number.

50611055550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50611055550 is an abundant number, since it is smaller than the sum of its proper divisors (86314859202).

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

50611055550 is a wasteful number, since it uses less digits than its factorization.

50611055550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30673393 (or 30673388 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

It can be divided in two parts, 50611055 and 550, that added together give a palindrome (50611605).

The spelling of 50611055550 in words is "fifty billion, six hundred eleven million, fifty-five thousand, five hundred fifty".