551254002 has 96 divisors (see below), whose sum is σ = 1279758528. Its totient is φ = 157667328.

The previous prime is 551253991. The next prime is 551254003. The reversal of 551254002 is 200452155.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (551254003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1947753 + ... + 1948035.

It is an arithmetic number, because the mean of its divisors is an integer number (13330818).

Almost surely, 2^551254002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551254002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639879264).

551254002 is an abundant number, since it is smaller than the sum of its proper divisors (728504526).

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

551254002 is a wasteful number, since it uses less digits than its factorization.

551254002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 551254002 is about 23478.7989897269. The cubic root of 551254002 is about 819.9434831165.

The spelling of 551254002 in words is "five hundred fifty-one million, two hundred fifty-four thousand, two".