551143152 has 120 divisors (see below), whose sum is σ = 1772542304. Its totient is φ = 156598272.

The previous prime is 551143133. The next prime is 551143189. The reversal of 551143152 is 251341155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193128 + ... + 195960.

Almost surely, 2^551143152 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 551143152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (886271152).

551143152 is an abundant number, since it is smaller than the sum of its proper divisors (1221399152).

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

551143152 is a wasteful number, since it uses less digits than its factorization.

551143152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047 (or 3038 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 551143152 is about 23476.4382307027. The cubic root of 551143152 is about 819.8885194471. Note that the first 3 decimals are identical.

The spelling of 551143152 in words is "five hundred fifty-one million, one hundred forty-three thousand, one hundred fifty-two".