55051215042 has 64 divisors (see below), whose sum is σ = 115760534400. Its totient is φ = 17437009920.

The previous prime is 55051215041. The next prime is 55051215053. The reversal of 55051215042 is 24051215055.

It is not an unprimeable number, because it can be changed into a prime (55051215041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1448134 + ... + 1485662.

It is an arithmetic number, because the mean of its divisors is an integer number (1808758350).

Almost surely, 2^55051215042 is an apocalyptic number.

55051215042 is an abundant number, since it is smaller than the sum of its proper divisors (60709319358).

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

55051215042 is a wasteful number, since it uses less digits than its factorization.

55051215042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37731.

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 55051215042 in words is "fifty-five billion, fifty-one million, two hundred fifteen thousand, forty-two".