552111551 has 8 divisors (see below), whose sum is σ = 558253344. Its totient is φ = 545983200.

The previous prime is 552111517. The next prime is 552111569. The reversal of 552111551 is 155111255.

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-552111551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 552111551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552111451) 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, 94841 + ... + 100493.

It is an arithmetic number, because the mean of its divisors is an integer number (69781668).

Almost surely, 2^552111551 is an apocalyptic number.

552111551 is a deficient number, since it is larger than the sum of its proper divisors (6141793).

552111551 is a wasteful number, since it uses less digits than its factorization.

552111551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6721.

The product of its digits is 1250, while the sum is 26.

The square root of 552111551 is about 23497.0540919495. The cubic root of 552111551 is about 820.3684399217.

The spelling of 552111551 in words is "five hundred fifty-two million, one hundred eleven thousand, five hundred fifty-one".