55311054521366 has 8 divisors (see below), whose sum is σ = 94818950608080. Its totient is φ = 23704737652008.

The previous prime is 55311054521341. The next prime is 55311054521389. The reversal of 55311054521366 is 66312545011355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55311054521366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1975394804321 + ... + 1975394804348.

It is an arithmetic number, because the mean of its divisors is an integer number (11852368826010).

Almost surely, 2^{55311054521366} is an apocalyptic number.

55311054521366 is a deficient number, since it is larger than the sum of its proper divisors (39507896086714).

55311054521366 is a wasteful number, since it uses less digits than its factorization.

55311054521366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3950789608678.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 55311054521366 in words is "fifty-five trillion, three hundred eleven billion, fifty-four million, five hundred twenty-one thousand, three hundred sixty-six".