55074233442 has 64 divisors (see below), whose sum is σ = 115631239680. Its totient is φ = 17463527424.

The previous prime is 55074233419. The next prime is 55074233449. The reversal of 55074233442 is 24433247055.

It is a super-2 number, since 2×55074233442² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55074233442.

It is not an unprimeable number, because it can be changed into a prime (55074233449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16472823 + ... + 16476165.

It is an arithmetic number, because the mean of its divisors is an integer number (1806738120).

Almost surely, 2^55074233442 is an apocalyptic number.

55074233442 is an abundant number, since it is smaller than the sum of its proper divisors (60557006238).

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

55074233442 is a wasteful number, since it uses less digits than its factorization.

55074233442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747.

The product of its (nonzero) digits is 403200, while the sum is 39.

The spelling of 55074233442 in words is "fifty-five billion, seventy-four million, two hundred thirty-three thousand, four hundred forty-two".