551206150 has 48 divisors (see below), whose sum is σ = 1177335360. Its totient is φ = 189885600.

The previous prime is 551206111. The next prime is 551206151. The reversal of 551206150 is 51602155.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551206151) 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, 15924 + ... + 36823.

It is an arithmetic number, because the mean of its divisors is an integer number (24527820).

Almost surely, 2^551206150 is an apocalyptic number.

551206150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

551206150 is an abundant number, since it is smaller than the sum of its proper divisors (626129210).

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

551206150 is a wasteful number, since it uses less digits than its factorization.

551206150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52789 (or 52784 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 551206150 is about 23477.7799205973. The cubic root of 551206150 is about 819.9197571687.

The spelling of 551206150 in words is "five hundred fifty-one million, two hundred six thousand, one hundred fifty".