42553235021253 has 32 divisors (see below), whose sum is σ = 65824961879040. Its totient is φ = 24180598172160.

The previous prime is 42553235021237. The next prime is 42553235021293. The reversal of 42553235021253 is 35212053235524.

It is not a de Polignac number, because 42553235021253 - 2⁴ = 42553235021237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42553235021203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349774225 + ... + 349895862.

It is an arithmetic number, because the mean of its divisors is an integer number (2057030058720).

Almost surely, 2^{42553235021253} is an apocalyptic number.

It is an amenable number.

42553235021253 is a deficient number, since it is larger than the sum of its proper divisors (23271726857787).

42553235021253 is a wasteful number, since it uses less digits than its factorization.

42553235021253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699670217.

The product of its (nonzero) digits is 1080000, while the sum is 42.

Adding to 42553235021253 its reverse (35212053235524), we get a palindrome (77765288256777).

The spelling of 42553235021253 in words is "forty-two trillion, five hundred fifty-three billion, two hundred thirty-five million, twenty-one thousand, two hundred fifty-three".