55254544242 has 16 divisors (see below), whose sum is σ = 111187060320. Its totient is φ = 18305186112.

The previous prime is 55254544237. The next prime is 55254544259. The reversal of 55254544242 is 24244545255.

It is a happy number.

It is a super-2 number, since 2×55254544242² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55254544194 and 55254544203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28247767 + ... + 28249722.

It is an arithmetic number, because the mean of its divisors is an integer number (6949191270).

Almost surely, 2^55254544242 is an apocalyptic number.

55254544242 is an abundant number, since it is smaller than the sum of its proper divisors (55932516078).

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

55254544242 is a wasteful number, since it uses less digits than its factorization.

55254544242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56497657.

The product of its digits is 1280000, while the sum is 42.

The spelling of 55254544242 in words is "fifty-five billion, two hundred fifty-four million, five hundred forty-four thousand, two hundred forty-two".