50005055505550 has 96 divisors (see below), whose sum is σ = 95175515421792. Its totient is φ = 19541994670080.

The previous prime is 50005055505547. The next prime is 50005055505631. The reversal of 50005055505550 is 5550555050005.

It is a super-2 number, since 2×50005055505550² (a number of 28 digits) contains 22 as substring.

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, 233416284 + ... + 233630416.

It is an arithmetic number, because the mean of its divisors is an integer number (991411618977).

Almost surely, 2^{50005055505550} is an apocalyptic number.

50005055505550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50005055505550 is a deficient number, since it is larger than the sum of its proper divisors (45170459916242).

50005055505550 is a wasteful number, since it uses less digits than its factorization.

50005055505550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214822 (or 214817 counting only the distinct ones).

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 50005055505550 in words is "fifty trillion, five billion, fifty-five million, five hundred five thousand, five hundred fifty".