50555550050550 has 48 divisors (see below), whose sum is σ = 139308626809680. Its totient is φ = 13481480013120.

The previous prime is 50555550050539. The next prime is 50555550050561. The reversal of 50555550050550 is 5505005555505.

It is an interprime number because it is at equal distance from previous prime (50555550050539) and next prime (50555550050561).

It is a super-2 number, since 2×50555550050550² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 50555550050496 and 50555550050505.

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, 18724276447 + ... + 18724279146.

It is an arithmetic number, because the mean of its divisors is an integer number (2902263058535).

Almost surely, 2^{50555550050550} is an apocalyptic number.

50555550050550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50555550050550 is an abundant number, since it is smaller than the sum of its proper divisors (88753076759130).

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

50555550050550 is a wasteful number, since it uses less digits than its factorization.

50555550050550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37448555614 (or 37448555603 counting only the distinct ones).

The product of its (nonzero) digits is 1953125, while the sum is 45.

The spelling of 50555550050550 in words is "fifty trillion, five hundred fifty-five billion, five hundred fifty million, fifty thousand, five hundred fifty".