551150013 has 32 divisors (see below), whose sum is σ = 790732800. Its totient is φ = 340252416.

The previous prime is 551150011. The next prime is 551150029. The reversal of 551150013 is 310051155.

It is not a de Polignac number, because 551150013 - 2¹ = 551150011 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551150011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1255248 + ... + 1255686.

It is an arithmetic number, because the mean of its divisors is an integer number (24710400).

Almost surely, 2^551150013 is an apocalyptic number.

It is an amenable number.

551150013 is a deficient number, since it is larger than the sum of its proper divisors (239582787).

551150013 is a wasteful number, since it uses less digits than its factorization.

551150013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801.

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 551150013 is about 23476.5843554807. The cubic root of 551150013 is about 819.8919216073.

The spelling of 551150013 in words is "five hundred fifty-one million, one hundred fifty thousand, thirteen".