551758272 has 112 divisors (see below), whose sum is σ = 1578864000. Its totient is φ = 169049088.

The previous prime is 551758223. The next prime is 551758297. The reversal of 551758272 is 272857155.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1105479 + ... + 1105977.

It is an arithmetic number, because the mean of its divisors is an integer number (14097000).

Almost surely, 2^551758272 is an apocalyptic number.

551758272 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551758272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (789432000).

551758272 is an abundant number, since it is smaller than the sum of its proper divisors (1027105728).

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

551758272 is a wasteful number, since it uses less digits than its factorization.

551758272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970 (or 960 counting only the distinct ones).

The product of its digits is 196000, while the sum is 42.

The square root of 551758272 is about 23489.5353721609. The cubic root of 551758272 is about 820.1934265094.

The spelling of 551758272 in words is "five hundred fifty-one million, seven hundred fifty-eight thousand, two hundred seventy-two".