551622072 has 16 divisors (see below), whose sum is σ = 1379055240. Its totient is φ = 183874016.

The previous prime is 551622061. The next prime is 551622101. The reversal of 551622072 is 270226155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11492103 + ... + 11492150.

Almost surely, 2^551622072 is an apocalyptic number.

It is an amenable number.

551622072 is an abundant number, since it is smaller than the sum of its proper divisors (827433168).

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

551622072 is a wasteful number, since it uses less digits than its factorization.

551622072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22984262 (or 22984258 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 551622072 is about 23486.6360298788. The cubic root of 551622072 is about 820.1259334643.

The spelling of 551622072 in words is "five hundred fifty-one million, six hundred twenty-two thousand, seventy-two".