551430020124 has 36 divisors (see below), whose sum is σ = 1393959612864. Its totient is φ = 183801163392.

The previous prime is 551430020117. The next prime is 551430020129. The reversal of 551430020124 is 421020034155.

551430020124 is a `hidden beast` number, since 5 + 5 + 1 + 430 + 0 + 201 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551430020129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 412884 + ... + 1128420.

Almost surely, 2^551430020124 is an apocalyptic number.

It is an amenable number.

551430020124 is an abundant number, since it is smaller than the sum of its proper divisors (842529592740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551430020124 is a wasteful number, since it uses less digits than its factorization.

551430020124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736954 (or 736949 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 551430020124 its reverse (421020034155), we get a palindrome (972450054279).

The spelling of 551430020124 in words is "five hundred fifty-one billion, four hundred thirty million, twenty thousand, one hundred twenty-four".