55333230542 has 4 divisors (see below), whose sum is σ = 82999845816. Its totient is φ = 27666615270.

The previous prime is 55333230541. The next prime is 55333230569. The reversal of 55333230542 is 24503233355.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×55333230542² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55333230541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13833307634 + ... + 13833307637.

It is an arithmetic number, because the mean of its divisors is an integer number (20749961454).

Almost surely, 2^55333230542 is an apocalyptic number.

55333230542 is a deficient number, since it is larger than the sum of its proper divisors (27666615274).

55333230542 is a wasteful number, since it uses less digits than its factorization.

55333230542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27666615273.

The product of its (nonzero) digits is 162000, while the sum is 35.

Adding to 55333230542 its reverse (24503233355), we get a palindrome (79836463897).

The spelling of 55333230542 in words is "fifty-five billion, three hundred thirty-three million, two hundred thirty thousand, five hundred forty-two".