551011071 has 8 divisors (see below), whose sum is σ = 791195440. Its totient is φ = 339083712.

The previous prime is 551011063. The next prime is 551011091. The reversal of 551011071 is 170110155.

It is a happy number.

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

It is not a de Polignac number, because 551011071 - 2³ = 551011063 is a prime.

It is a super-2 number, since 2×551011071² = 607226400729134082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551011061) 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, 7064206 + ... + 7064283.

It is an arithmetic number, because the mean of its divisors is an integer number (98899430).

Almost surely, 2^551011071 is an apocalyptic number.

551011071 is a deficient number, since it is larger than the sum of its proper divisors (240184369).

551011071 is a wasteful number, since it uses less digits than its factorization.

551011071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14128505.

The product of its (nonzero) digits is 175, while the sum is 21.

The square root of 551011071 is about 23473.6250076549. The cubic root of 551011071 is about 819.8230190129.

The spelling of 551011071 in words is "five hundred fifty-one million, eleven thousand, seventy-one".