55454331361142 has 32 divisors (see below), whose sum is σ = 98366899763520. Its totient is φ = 22940963136000.

The previous prime is 55454331361111. The next prime is 55454331361147. The reversal of 55454331361142 is 24116313345455.

It is a happy number.

It is a super-2 number, since 2×55454331361142² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55454331361147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15186359 + ... + 18480642.

It is an arithmetic number, because the mean of its divisors is an integer number (3073965617610).

Almost surely, 2^{55454331361142} is an apocalyptic number.

55454331361142 is a deficient number, since it is larger than the sum of its proper divisors (42912568402378).

55454331361142 is a wasteful number, since it uses less digits than its factorization.

55454331361142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33671096.

The product of its digits is 2592000, while the sum is 47.

The spelling of 55454331361142 in words is "fifty-five trillion, four hundred fifty-four billion, three hundred thirty-one million, three hundred sixty-one thousand, one hundred forty-two".