551227488 has 48 divisors (see below), whose sum is σ = 1653684480. Its totient is φ = 157493376.

The previous prime is 551227451. The next prime is 551227489. The reversal of 551227488 is 884722155.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551227489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409468 + ... + 410811.

It is an arithmetic number, because the mean of its divisors is an integer number (34451760).

Almost surely, 2^551227488 is an apocalyptic number.

It is an amenable number.

551227488 is an abundant number, since it is smaller than the sum of its proper divisors (1102456992).

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

551227488 is a wasteful number, since it uses less digits than its factorization.

551227488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820299 (or 820291 counting only the distinct ones).

The product of its digits is 179200, while the sum is 42.

The square root of 551227488 is about 23478.2343458787. The cubic root of 551227488 is about 819.9303371318.

The spelling of 551227488 in words is "five hundred fifty-one million, two hundred twenty-seven thousand, four hundred eighty-eight".