55154542212379 has 2 divisors, whose sum is σ = 55154542212380. Its totient is φ = 55154542212378.

The previous prime is 55154542212331. The next prime is 55154542212437. The reversal of 55154542212379 is 97321224545155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55154542212379 - 2⁴¹ = 52955518956827 is a prime.

It is not a weakly prime, because it can be changed into another prime (55154542210379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27577271106189 + 27577271106190.

It is an arithmetic number, because the mean of its divisors is an integer number (27577271106190).

Almost surely, 2^{55154542212379} is an apocalyptic number.

55154542212379 is a deficient number, since it is larger than the sum of its proper divisors (1).

55154542212379 is an equidigital number, since it uses as much as digits as its factorization.

55154542212379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120000, while the sum is 55.

The spelling of 55154542212379 in words is "fifty-five trillion, one hundred fifty-four billion, five hundred forty-two million, two hundred twelve thousand, three hundred seventy-nine".