551530325412 has 36 divisors (see below), whose sum is σ = 1520886656016. Its totient is φ = 167130401520.

The previous prime is 551530325393. The next prime is 551530325417. The reversal of 551530325412 is 214523035155.

551530325412 is a `hidden beast` number, since 5 + 51 + 5 + 30 + 32 + 541 + 2 = 666.

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

It is a super-2 number, since 2×551530325412² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (551530325417) 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, 696376278 + ... + 696377069.

It is an arithmetic number, because the mean of its divisors is an integer number (42246851556).

Almost surely, 2^551530325412 is an apocalyptic number.

It is an amenable number.

551530325412 is an abundant number, since it is smaller than the sum of its proper divisors (969356330604).

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

551530325412 is a wasteful number, since it uses less digits than its factorization.

551530325412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392753368 (or 1392753363 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 551530325412 in words is "five hundred fifty-one billion, five hundred thirty million, three hundred twenty-five thousand, four hundred twelve".