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550211141 = 1355340597
BaseRepresentation
bin100000110010111…
…000111001000101
31102100022121210102
4200302320321011
52111323224031
6130332533445
716430501054
oct4062707105
91370277712
10550211141
11262641857
12134321285
1389cb562c
145310639b
15334857cb
hex20cb8e45

550211141 has 4 divisors (see below), whose sum is σ = 550265292. Its totient is φ = 550156992.

The previous prime is 550211111. The next prime is 550211153. The reversal of 550211141 is 141112055.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 498227041 + 51984100 = 22321^2 + 7210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-550211141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550211111) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6746 + ... + 33851.

It is an arithmetic number, because the mean of its divisors is an integer number (137566323).

Almost surely, 2550211141 is an apocalyptic number.

It is an amenable number.

550211141 is a deficient number, since it is larger than the sum of its proper divisors (54151).

550211141 is a wasteful number, since it uses less digits than its factorization.

550211141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54150.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 550211141 is about 23456.5799084180. The cubic root of 550211141 is about 819.4261010129.

Adding to 550211141 its reverse (141112055), we get a palindrome (691323196).

The spelling of 550211141 in words is "five hundred fifty million, two hundred eleven thousand, one hundred forty-one".

Divisors: 1 13553 40597 550211141