551894112 has 288 divisors, whose sum is σ = 2007742464. Its totient is φ = 139622400.

The previous prime is 551894111. The next prime is 551894113. The reversal of 551894112 is 211498155.

551894112 is a `hidden beast` number, since 551 + 8 + 94 + 1 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (551894111) and next prime (551894113).

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×551894112² = 609174221720537088, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551894111) 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, 908913 + ... + 909519.

It is an arithmetic number, because the mean of its divisors is an integer number (6971328).

Almost surely, 2^551894112 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 551894112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003871232).

551894112 is an abundant number, since it is smaller than the sum of its proper divisors (1455848352).

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

551894112 is a wasteful number, since it uses less digits than its factorization.

551894112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 671 counting only the distinct ones).

The product of its digits is 14400, while the sum is 36.

The square root of 551894112 is about 23492.4266945754. The cubic root of 551894112 is about 820.2607300967.

The spelling of 551894112 in words is "five hundred fifty-one million, eight hundred ninety-four thousand, one hundred twelve".