551530350 has 96 divisors (see below), whose sum is σ = 1736912640. Its totient is φ = 126061920.

The previous prime is 551530327. The next prime is 551530367. The reversal of 551530350 is 53035155.

It is a super-2 number, since 2×551530350² = 608371453942245000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19732 + ... + 38631.

It is an arithmetic number, because the mean of its divisors is an integer number (18092840).

Almost surely, 2^551530350 is an apocalyptic number.

551530350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

551530350 is an abundant number, since it is smaller than the sum of its proper divisors (1185382290).

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

551530350 is a wasteful number, since it uses less digits than its factorization.

551530350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58391 (or 58380 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 27.

The square root of 551530350 is about 23484.6833063595. The cubic root of 551530350 is about 820.0804749494.

The spelling of 551530350 in words is "five hundred fifty-one million, five hundred thirty thousand, three hundred fifty".