55261662766 has 16 divisors (see below), whose sum is σ = 83679298560. Its totient is φ = 27368638200.

The previous prime is 55261662763. The next prime is 55261662817. The reversal of 55261662766 is 66726616255.

It is a super-2 number, since 2×55261662766² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55261662763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1944205 + ... + 1972423.

It is an arithmetic number, because the mean of its divisors is an integer number (5229956160).

Almost surely, 2^55261662766 is an apocalyptic number.

55261662766 is a deficient number, since it is larger than the sum of its proper divisors (28417635794).

55261662766 is a wasteful number, since it uses less digits than its factorization.

55261662766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37479.

The product of its digits is 5443200, while the sum is 52.

The spelling of 55261662766 in words is "fifty-five billion, two hundred sixty-one million, six hundred sixty-two thousand, seven hundred sixty-six".