551519040 has 112 divisors (see below), whose sum is σ = 1798515072. Its totient is φ = 143087616.

The previous prime is 551519021. The next prime is 551519051. The reversal of 551519040 is 40915155.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 551518989 and 551519007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27757 + ... + 43283.

Almost surely, 2^551519040 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 551519040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899257536).

551519040 is an abundant number, since it is smaller than the sum of its proper divisors (1246996032).

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

551519040 is a wasteful number, since it uses less digits than its factorization.

551519040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15584 (or 15574 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 551519040 is about 23484.4425098830. The cubic root of 551519040 is about 820.0748692298.

The spelling of 551519040 in words is "five hundred fifty-one million, five hundred nineteen thousand, forty".