551425564 has 24 divisors (see below), whose sum is σ = 1005303600. Its totient is φ = 264424320.

The previous prime is 551425531. The next prime is 551425597. The reversal of 551425564 is 465524155.

It is an interprime number because it is at equal distance from previous prime (551425531) and next prime (551425597).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18819 + ... + 38170.

It is an arithmetic number, because the mean of its divisors is an integer number (41887650).

Almost surely, 2^551425564 is an apocalyptic number.

It is an amenable number.

551425564 is a deficient number, since it is larger than the sum of its proper divisors (453878036).

551425564 is a wasteful number, since it uses less digits than its factorization.

551425564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57093 (or 57091 counting only the distinct ones).

The product of its digits is 120000, while the sum is 37.

The square root of 551425564 is about 23482.4522569514. The cubic root of 551425564 is about 820.0285355923.

It can be divided in two parts, 55142 and 5564, that added together give a palindrome (60706).

The spelling of 551425564 in words is "five hundred fifty-one million, four hundred twenty-five thousand, five hundred sixty-four".