55771050552611 has 4 divisors (see below), whose sum is σ = 55773873136800. Its totient is φ = 55768227968424.

The previous prime is 55771050552577. The next prime is 55771050552661. The reversal of 55771050552611 is 11625505017755.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55771050552611 is a prime.

It is a super-2 number, since 2×55771050552611² (a number of 28 digits) contains 22 as substring.

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 55771050552611.

It is not an unprimeable number, because it can be changed into a prime (55771050552661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1411262456 + ... + 1411301973.

It is an arithmetic number, because the mean of its divisors is an integer number (13943468284200).

Almost surely, 2^{55771050552611} is an apocalyptic number.

55771050552611 is a deficient number, since it is larger than the sum of its proper divisors (2822584189).

55771050552611 is a wasteful number, since it uses less digits than its factorization.

55771050552611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822584188.

The product of its (nonzero) digits is 1837500, while the sum is 50.

The spelling of 55771050552611 in words is "fifty-five trillion, seven hundred seventy-one billion, fifty million, five hundred fifty-two thousand, six hundred eleven".