2140505553 has 16 divisors (see below), whose sum is σ = 3042252800. Its totient is φ = 1334782800.

The previous prime is 2140505539. The next prime is 2140505561. The reversal of 2140505553 is 3555050412.

It is a happy number.

It is not a de Polignac number, because 2140505553 - 2¹³ = 2140497361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2140505553.

It is not an unprimeable number, because it can be changed into a prime (2140505503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233173 + ... + 242178.

It is an arithmetic number, because the mean of its divisors is an integer number (190140800).

Almost surely, 2^2140505553 is an apocalyptic number.

It is an amenable number.

2140505553 is a deficient number, since it is larger than the sum of its proper divisors (901747247).

2140505553 is a wasteful number, since it uses less digits than its factorization.

2140505553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475452.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 2140505553 is about 46265.5979427479. The cubic root of 2140505553 is about 1288.7602120122.

Adding to 2140505553 its reverse (3555050412), we get a palindrome (5695555965).

The spelling of 2140505553 in words is "two billion, one hundred forty million, five hundred five thousand, five hundred fifty-three".