55555617342 has 32 divisors (see below), whose sum is σ = 113493219840. Its totient is φ = 18125415360.

The previous prime is 55555617287. The next prime is 55555617353. The reversal of 55555617342 is 24371655555.

It is a super-2 number, since 2×55555617342² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55555617291 and 55555617300.

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, 426742 + ... + 541497.

It is an arithmetic number, because the mean of its divisors is an integer number (3546663120).

Almost surely, 2^55555617342 is an apocalyptic number.

55555617342 is an abundant number, since it is smaller than the sum of its proper divisors (57937602498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55555617342 is a wasteful number, since it uses less digits than its factorization.

55555617342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968448.

The product of its digits is 3150000, while the sum is 48.

The spelling of 55555617342 in words is "fifty-five billion, five hundred fifty-five million, six hundred seventeen thousand, three hundred forty-two".