553811145 has 16 divisors (see below), whose sum is σ = 932735040. Its totient is φ = 279820224.

The previous prime is 553811123. The next prime is 553811161. The reversal of 553811145 is 541118355.

It is a happy number.

It is not a de Polignac number, because 553811145 - 2¹¹ = 553809097 is a prime.

It is a super-2 number, since 2×553811145² = 613413568652422050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 971314 + ... + 971883.

It is an arithmetic number, because the mean of its divisors is an integer number (58295940).

Almost surely, 2^553811145 is an apocalyptic number.

It is an amenable number.

553811145 is a deficient number, since it is larger than the sum of its proper divisors (378923895).

553811145 is a wasteful number, since it uses less digits than its factorization.

553811145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943224.

The product of its digits is 12000, while the sum is 33.

The square root of 553811145 is about 23533.1924098708. The cubic root of 553811145 is about 821.2093720417.

The spelling of 553811145 in words is "five hundred fifty-three million, eight hundred eleven thousand, one hundred forty-five".