55012205342 has 32 divisors (see below), whose sum is σ = 86613619680. Its totient is φ = 26169454080.

The previous prime is 55012205323. The next prime is 55012205407. The reversal of 55012205342 is 24350221055.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5045717 + ... + 5056607.

It is an arithmetic number, because the mean of its divisors is an integer number (2706675615).

Almost surely, 2^55012205342 is an apocalyptic number.

55012205342 is a deficient number, since it is larger than the sum of its proper divisors (31601414338).

55012205342 is a wasteful number, since it uses less digits than its factorization.

55012205342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12188.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 55012205342 its reverse (24350221055), we get a palindrome (79362426397).

The spelling of 55012205342 in words is "fifty-five billion, twelve million, two hundred five thousand, three hundred forty-two".