551430135 has 24 divisors (see below), whose sum is σ = 956539584. Its totient is φ = 293872320.

The previous prime is 551430127. The next prime is 551430137. The reversal of 551430135 is 531034155.

It is not a de Polignac number, because 551430135 - 2³ = 551430127 is a prime.

It is a super-2 number, since 2×551430135² = 608150387572236450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551430099 and 551430108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551430137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67365 + ... + 75105.

It is an arithmetic number, because the mean of its divisors is an integer number (39855816).

Almost surely, 2^551430135 is an apocalyptic number.

551430135 is a deficient number, since it is larger than the sum of its proper divisors (405109449).

551430135 is a wasteful number, since it uses less digits than its factorization.

551430135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9335 (or 9332 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 551430135 is about 23482.5495847448. The cubic root of 551430135 is about 820.0308014407.

The spelling of 551430135 in words is "five hundred fifty-one million, four hundred thirty thousand, one hundred thirty-five".