551156112 has 240 divisors, whose sum is σ = 1751637888. Its totient is φ = 160634880.

The previous prime is 551156101. The next prime is 551156113. The reversal of 551156112 is 211651155.

It is not an unprimeable number, because it can be changed into a prime (551156113) 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, 3300253 + ... + 3300419.

Almost surely, 2^551156112 is an apocalyptic number.

551156112 is a gapful number since it is divisible by the number (52) 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 551156112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (875818944).

551156112 is an abundant number, since it is smaller than the sum of its proper divisors (1200481776).

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

551156112 is a wasteful number, since it uses less digits than its factorization.

551156112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 269 counting only the distinct ones).

The product of its digits is 1500, while the sum is 27.

The square root of 551156112 is about 23476.7142505079. The cubic root of 551156112 is about 819.8949458912.

The spelling of 551156112 in words is "five hundred fifty-one million, one hundred fifty-six thousand, one hundred twelve".