551141136 has 240 divisors, whose sum is σ = 1918460544. Its totient is φ = 143824896.

The previous prime is 551141089. The next prime is 551141177. The reversal of 551141136 is 631141155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1795095 + ... + 1795401.

Almost surely, 2^551141136 is an apocalyptic number.

551141136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551141136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (959230272).

551141136 is an abundant number, since it is smaller than the sum of its proper divisors (1367319408).

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

551141136 is a wasteful number, since it uses less digits than its factorization.

551141136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 469 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 551141136 is about 23476.3952939969. The cubic root of 551141136 is about 819.8875197690.

The spelling of 551141136 in words is "five hundred fifty-one million, one hundred forty-one thousand, one hundred thirty-six".