50561010500550 has 96 divisors (see below), whose sum is σ = 136796418933120. Its totient is φ = 12256685702400.

The previous prime is 50561010500509. The next prime is 50561010500587. The reversal of 50561010500550 is 5500501016505.

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 47 ways as a sum of consecutive naturals, for example, 38279041 + ... + 39577859.

It is an arithmetic number, because the mean of its divisors is an integer number (1424962697220).

Almost surely, 2^{50561010500550} is an apocalyptic number.

50561010500550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50561010500550 is an abundant number, since it is smaller than the sum of its proper divisors (86235408432570).

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

50561010500550 is a wasteful number, since it uses less digits than its factorization.

50561010500550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322438 (or 1322433 counting only the distinct ones).

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

The spelling of 50561010500550 in words is "fifty trillion, five hundred sixty-one billion, ten million, five hundred thousand, five hundred fifty".