551553071 has 8 divisors (see below), whose sum is σ = 584062080. Its totient is φ = 519392088.

The previous prime is 551553061. The next prime is 551553073. The reversal of 551553071 is 170355155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551553071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551553073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83741 + ... + 90086.

It is an arithmetic number, because the mean of its divisors is an integer number (73007760).

Almost surely, 2^551553071 is an apocalyptic number.

551553071 is a deficient number, since it is larger than the sum of its proper divisors (32509009).

551553071 is a wasteful number, since it uses less digits than its factorization.

551553071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174013.

The product of its (nonzero) digits is 13125, while the sum is 32.

The square root of 551553071 is about 23485.1670421992. The cubic root of 551553071 is about 820.0917362170.

The spelling of 551553071 in words is "five hundred fifty-one million, five hundred fifty-three thousand, seventy-one".