55442452251542 has 16 divisors (see below), whose sum is σ = 83384190479040. Its totient is φ = 27647723992392.

The previous prime is 55442452251481. The next prime is 55442452251569. The reversal of 55442452251542 is 24515225424455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63635753 + ... + 64501115.

It is an arithmetic number, because the mean of its divisors is an integer number (5211511904940).

Almost surely, 2^{55442452251542} is an apocalyptic number.

55442452251542 is a deficient number, since it is larger than the sum of its proper divisors (27941738227498).

55442452251542 is a wasteful number, since it uses less digits than its factorization.

55442452251542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950267.

The product of its digits is 12800000, while the sum is 50.

Adding to 55442452251542 its reverse (24515225424455), we get a palindrome (79957677675997).

The spelling of 55442452251542 in words is "fifty-five trillion, four hundred forty-two billion, four hundred fifty-two million, two hundred fifty-one thousand, five hundred forty-two".