42154220553 has 16 divisors (see below), whose sum is σ = 59188550400. Its totient is φ = 26612588880.

The previous prime is 42154220539. The next prime is 42154220567. The reversal of 42154220553 is 35502245124.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42154220539) and next prime (42154220567).

It is not a de Polignac number, because 42154220553 - 2⁶ = 42154220489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42154220513) 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, 15943 + ... + 290796.

It is an arithmetic number, because the mean of its divisors is an integer number (3699284400).

Almost surely, 2^42154220553 is an apocalyptic number.

It is an amenable number.

42154220553 is a deficient number, since it is larger than the sum of its proper divisors (17034329847).

42154220553 is a wasteful number, since it uses less digits than its factorization.

42154220553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309172.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 42154220553 its reverse (35502245124), we get a palindrome (77656465677).

The spelling of 42154220553 in words is "forty-two billion, one hundred fifty-four million, two hundred twenty thousand, five hundred fifty-three".