553145131 has 8 divisors (see below), whose sum is σ = 689635584. Its totient is φ = 431022120.

The previous prime is 553145113. The next prime is 553145189. The reversal of 553145131 is 131541355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553145131 is a prime.

It is a super-2 number, since 2×553145131² = 611939071898014322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 553145131.

It is not an unprimeable number, because it can be changed into a prime (553145111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3591775 + ... + 3591928.

It is an arithmetic number, because the mean of its divisors is an integer number (86204448).

Almost surely, 2^553145131 is an apocalyptic number.

553145131 is a deficient number, since it is larger than the sum of its proper divisors (136490453).

553145131 is a wasteful number, since it uses less digits than its factorization.

553145131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7183721.

The product of its digits is 4500, while the sum is 28.

The square root of 553145131 is about 23519.0376291208. The cubic root of 553145131 is about 820.8800441717.

Adding to 553145131 its reverse (131541355), we get a palindrome (684686486).

The spelling of 553145131 in words is "five hundred fifty-three million, one hundred forty-five thousand, one hundred thirty-one".