551253120 has 256 divisors, whose sum is σ = 1964666880. Its totient is φ = 130314240.

The previous prime is 551253103. The next prime is 551253161. The reversal of 551253120 is 21352155.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 907857 + ... + 908463.

It is an arithmetic number, because the mean of its divisors is an integer number (7674480).

Almost surely, 2^551253120 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 551253120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (982333440).

551253120 is an abundant number, since it is smaller than the sum of its proper divisors (1413413760).

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

551253120 is a wasteful number, since it uses less digits than its factorization.

551253120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 551253120 is about 23478.7802068165. The cubic root of 551253120 is about 819.9430458162.

The spelling of 551253120 in words is "five hundred fifty-one million, two hundred fifty-three thousand, one hundred twenty".