551344248 has 144 divisors (see below), whose sum is σ = 1848197520. Its totient is φ = 145387008.

The previous prime is 551344243. The next prime is 551344301. The reversal of 551344248 is 842443155.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551344243) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 81940 + ... + 88412.

It is an arithmetic number, because the mean of its divisors is an integer number (12834705).

Almost surely, 2^551344248 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 551344248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (924098760).

551344248 is an abundant number, since it is smaller than the sum of its proper divisors (1296853272).

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

551344248 is a wasteful number, since it uses less digits than its factorization.

551344248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6518 (or 6498 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 551344248 is about 23480.7207725828. The cubic root of 551344248 is about 819.9882250937.

The spelling of 551344248 in words is "five hundred fifty-one million, three hundred forty-four thousand, two hundred forty-eight".