551513152 has 56 divisors (see below), whose sum is σ = 1155435840. Its totient is φ = 260467200.

The previous prime is 551513147. The next prime is 551513173. The reversal of 551513152 is 251315155.

It is a self number, because there is not a number n which added to its sum of digits gives 551513152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786402 + ... + 787102.

Almost surely, 2^551513152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551513152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577717920).

551513152 is an abundant number, since it is smaller than the sum of its proper divisors (603922688).

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

551513152 is a wasteful number, since it uses less digits than its factorization.

551513152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379 (or 1369 counting only the distinct ones).

The product of its digits is 3750, while the sum is 28.

The square root of 551513152 is about 23484.3171499620. The cubic root of 551513152 is about 820.0719508548.

The spelling of 551513152 in words is "five hundred fifty-one million, five hundred thirteen thousand, one hundred fifty-two".