55214177273405 has 32 divisors (see below), whose sum is σ = 67493186275680. Its totient is φ = 43350531194880.

The previous prime is 55214177273399. The next prime is 55214177273407. The reversal of 55214177273405 is 50437277141255.

It can be written as a sum of positive squares in 16 ways, for example, as 51082625078521 + 4131552194884 = 7147211^2 + 2032622^2 .

It is not a de Polignac number, because 55214177273405 - 2⁶ = 55214177273341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55214177273407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 338678651 + ... + 338841639.

It is an arithmetic number, because the mean of its divisors is an integer number (2109162071115).

Almost surely, 2^{55214177273405} is an apocalyptic number.

It is an amenable number.

55214177273405 is a deficient number, since it is larger than the sum of its proper divisors (12279009002275).

55214177273405 is a wasteful number, since it uses less digits than its factorization.

55214177273405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165521.

The product of its (nonzero) digits is 8232000, while the sum is 53.

The spelling of 55214177273405 in words is "fifty-five trillion, two hundred fourteen billion, one hundred seventy-seven million, two hundred seventy-three thousand, four hundred five".