55542155131542 has 16 divisors (see below), whose sum is σ = 111085008243120. Its totient is φ = 18513935380512.

The previous prime is 55542155131511. The next prime is 55542155131591. The reversal of 55542155131542 is 24513155124555.

It is a junction number, because it is equal to n+sod(n) for n = 55542155131491 and 55542155131500.

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, 28045173 + ... + 29960240.

It is an arithmetic number, because the mean of its divisors is an integer number (6942813015195).

Almost surely, 2^{55542155131542} is an apocalyptic number.

55542155131542 is an abundant number, since it is smaller than the sum of its proper divisors (55542853111578).

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

55542155131542 is a wasteful number, since it uses less digits than its factorization.

55542155131542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58165007.

The product of its digits is 3000000, while the sum is 48.

The spelling of 55542155131542 in words is "fifty-five trillion, five hundred forty-two billion, one hundred fifty-five million, one hundred thirty-one thousand, five hundred forty-two".