50500000555550 has 96 divisors (see below), whose sum is σ = 116516441137152. Its totient is φ = 15856571767680.

The previous prime is 50500000555547. The next prime is 50500000555559. The reversal of 50500000555550 is 5555500000505.

It is a super-2 number, since 2×50500000555550² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

50500000555550 is a modest number, since divided by 555550 gives 5050 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 50500000555550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50500000555559) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43118612 + ... + 44274311.

It is an arithmetic number, because the mean of its divisors is an integer number (1213712928512).

Almost surely, 2^{50500000555550} is an apocalyptic number.

50500000555550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50500000555550 is an abundant number, since it is smaller than the sum of its proper divisors (66016440581602).

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

50500000555550 is a wasteful number, since it uses less digits than its factorization.

50500000555550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87393082 (or 87393077 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 50500000555550 in words is "fifty trillion, five hundred billion, five hundred fifty-five thousand, five hundred fifty".