55140652213 has 4 divisors (see below), whose sum is σ = 55190374380. Its totient is φ = 55090930048.

The previous prime is 55140652183. The next prime is 55140652271. The reversal of 55140652213 is 31225604155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5474964049 + 49665688164 = 73993^2 + 222858^2 .

It is a cyclic number.

It is not a de Polignac number, because 55140652213 - 2⁹ = 55140651701 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 (55140652283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24859420 + ... + 24861637.

It is an arithmetic number, because the mean of its divisors is an integer number (13797593595).

Almost surely, 2^55140652213 is an apocalyptic number.

It is an amenable number.

55140652213 is a deficient number, since it is larger than the sum of its proper divisors (49722167).

55140652213 is a wasteful number, since it uses less digits than its factorization.

55140652213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49722166.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 55140652213 in words is "fifty-five billion, one hundred forty million, six hundred fifty-two thousand, two hundred thirteen".