55012125679 has 16 divisors (see below), whose sum is σ = 65069337600. Its totient is φ = 45506016864.

The previous prime is 55012125643. The next prime is 55012125691. The reversal of 55012125679 is 97652121055.

It is not a de Polignac number, because 55012125679 - 2¹⁵ = 55012092911 is a prime.

It is a super-2 number, since 2×55012125679² (a number of 22 digits) contains 22 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 (55012125079) 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, 380154 + ... + 504520.

It is an arithmetic number, because the mean of its divisors is an integer number (4066833600).

Almost surely, 2^55012125679 is an apocalyptic number.

55012125679 is a deficient number, since it is larger than the sum of its proper divisors (10057211921).

55012125679 is a wasteful number, since it uses less digits than its factorization.

55012125679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126582.

The product of its (nonzero) digits is 189000, while the sum is 43.

The spelling of 55012125679 in words is "fifty-five billion, twelve million, one hundred twenty-five thousand, six hundred seventy-nine".