551454153331 has 4 divisors (see below), whose sum is σ = 551504355832. Its totient is φ = 551403950832.

The previous prime is 551454153317. The next prime is 551454153337. The reversal of 551454153331 is 133351454155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 551454153331 - 2²⁷ = 551319935603 is a prime.

It is a super-2 number, since 2×551454153331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551454153337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25084770 + ... + 25106743.

It is an arithmetic number, because the mean of its divisors is an integer number (137876088958).

Almost surely, 2^551454153331 is an apocalyptic number.

551454153331 is a deficient number, since it is larger than the sum of its proper divisors (50202501).

551454153331 is a wasteful number, since it uses less digits than its factorization.

551454153331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50202500.

The product of its digits is 270000, while the sum is 40.

The spelling of 551454153331 in words is "five hundred fifty-one billion, four hundred fifty-four million, one hundred fifty-three thousand, three hundred thirty-one".