55126540401268 has 24 divisors (see below), whose sum is σ = 110472271846272. Its totient is φ = 23578690662624.

The previous prime is 55126540401197. The next prime is 55126540401277. The reversal of 55126540401268 is 86210404562155.

It is a super-2 number, since 2×55126540401268² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1957048555 + ... + 1957076722.

It is an arithmetic number, because the mean of its divisors is an integer number (4603011326928).

Almost surely, 2^{55126540401268} is an apocalyptic number.

It is an amenable number.

55126540401268 is an abundant number, since it is smaller than the sum of its proper divisors (55345731445004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55126540401268 is a wasteful number, since it uses less digits than its factorization.

55126540401268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914125791 (or 3914125789 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 49.

The spelling of 55126540401268 in words is "fifty-five trillion, one hundred twenty-six billion, five hundred forty million, four hundred one thousand, two hundred sixty-eight".