55431111773701 has 16 divisors (see below), whose sum is σ = 59891657155200. Its totient is φ = 51144861797568.

The previous prime is 55431111773693. The next prime is 55431111773777. The reversal of 55431111773701 is 10737711113455.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55431111773701 - 2³ = 55431111773693 is a prime.

It is a super-3 number, since 3×55431111773701³ (a number of 42 digits) contains 333 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 (55431111773201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38157471 + ... + 39583516.

It is an arithmetic number, because the mean of its divisors is an integer number (3743228572200).

Almost surely, 2^{55431111773701} is an apocalyptic number.

It is an amenable number.

55431111773701 is a deficient number, since it is larger than the sum of its proper divisors (4460545381499).

55431111773701 is a wasteful number, since it uses less digits than its factorization.

55431111773701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77742108.

The product of its (nonzero) digits is 308700, while the sum is 46.

The spelling of 55431111773701 in words is "fifty-five trillion, four hundred thirty-one billion, one hundred eleven million, seven hundred seventy-three thousand, seven hundred one".