551220032050 has 48 divisors (see below), whose sum is σ = 1074285919872. Its totient is φ = 210026361600.

The previous prime is 551220032047. The next prime is 551220032057. The reversal of 551220032050 is 50230022155.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (551220032057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 717294 + ... + 1271593.

It is an arithmetic number, because the mean of its divisors is an integer number (22380956664).

Almost surely, 2^551220032050 is an apocalyptic number.

551220032050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

551220032050 is a deficient number, since it is larger than the sum of its proper divisors (523065887822).

551220032050 is a wasteful number, since it uses less digits than its factorization.

551220032050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989163 (or 1989158 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The spelling of 551220032050 in words is "five hundred fifty-one billion, two hundred twenty million, thirty-two thousand, fifty".