55211962877 has 4 divisors (see below), whose sum is σ = 58117855680. Its totient is φ = 52306070076.

The previous prime is 55211962867. The next prime is 55211962901. The reversal of 55211962877 is 77826911255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55211962877 - 2¹⁰ = 55211961853 is a prime.

It is a super-2 number, since 2×55211962877² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55211962867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1452946373 + ... + 1452946410.

It is an arithmetic number, because the mean of its divisors is an integer number (14529463920).

Almost surely, 2^55211962877 is an apocalyptic number.

It is an amenable number.

55211962877 is a deficient number, since it is larger than the sum of its proper divisors (2905892803).

55211962877 is a wasteful number, since it uses less digits than its factorization.

55211962877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905892802.

The product of its digits is 2116800, while the sum is 53.

The spelling of 55211962877 in words is "fifty-five billion, two hundred eleven million, nine hundred sixty-two thousand, eight hundred seventy-seven".