551269152 has 240 divisors, whose sum is σ = 1934900352. Its totient is φ = 150543360.

The previous prime is 551269141. The next prime is 551269193. The reversal of 551269152 is 251962155.

551269152 is a `hidden beast` number, since 5 + 512 + 6 + 91 + 52 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 416652 + ... + 417972.

Almost surely, 2^551269152 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 551269152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967450176).

551269152 is an abundant number, since it is smaller than the sum of its proper divisors (1383631200).

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

551269152 is a wasteful number, since it uses less digits than its factorization.

551269152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373 (or 1356 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 551269152 is about 23479.1216190044. The cubic root of 551269152 is about 819.9509944935.

The spelling of 551269152 in words is "five hundred fifty-one million, two hundred sixty-nine thousand, one hundred fifty-two".