55087145042 has 4 divisors (see below), whose sum is σ = 82630717566. Its totient is φ = 27543572520.

The previous prime is 55087145039. The next prime is 55087145107. The reversal of 55087145042 is 24054178055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 54638595001 + 448550041 = 233749^2 + 21179^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13771786259 + ... + 13771786262.

Almost surely, 2^55087145042 is an apocalyptic number.

55087145042 is a deficient number, since it is larger than the sum of its proper divisors (27543572524).

55087145042 is a wasteful number, since it uses less digits than its factorization.

55087145042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27543572523.

The product of its (nonzero) digits is 224000, while the sum is 41.

The spelling of 55087145042 in words is "fifty-five billion, eighty-seven million, one hundred forty-five thousand, forty-two".