55442202151 has 8 divisors (see below), whose sum is σ = 63499372544. Its totient is φ = 47419245720.

The previous prime is 55442202149. The next prime is 55442202157. The reversal of 55442202151 is 15120224455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55442202151 - 2¹ = 55442202149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55442202157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8550015 + ... + 8556496.

It is an arithmetic number, because the mean of its divisors is an integer number (7937421568).

Almost surely, 2^55442202151 is an apocalyptic number.

55442202151 is a deficient number, since it is larger than the sum of its proper divisors (8057170393).

55442202151 is a wasteful number, since it uses less digits than its factorization.

55442202151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17106981.

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 55442202151 in words is "fifty-five billion, four hundred forty-two million, two hundred two thousand, one hundred fifty-one".