553413645 has 24 divisors (see below), whose sum is σ = 959841792. Its totient is φ = 294972000.

The previous prime is 553413617. The next prime is 553413647. The reversal of 553413645 is 546314355.

553413645 is a `hidden beast` number, since 5 + 5 + 3 + 4 + 1 + 3 + 645 = 666.

It is not a de Polignac number, because 553413645 - 2⁸ = 553413389 is a prime.

It is a super-3 number, since 3×553413645³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553413647) 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, 103180 + ... + 108410.

It is an arithmetic number, because the mean of its divisors is an integer number (39993408).

Almost surely, 2^553413645 is an apocalyptic number.

It is an amenable number.

553413645 is a deficient number, since it is larger than the sum of its proper divisors (406428147).

553413645 is a wasteful number, since it uses less digits than its factorization.

553413645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7593 (or 7590 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 553413645 is about 23524.7453758803. The cubic root of 553413645 is about 821.0128496601.

The spelling of 553413645 in words is "five hundred fifty-three million, four hundred thirteen thousand, six hundred forty-five".