53253450221254 has 4 divisors (see below), whose sum is σ = 79880175331884. Its totient is φ = 26626725110626.

The previous prime is 53253450221201. The next prime is 53253450221359. The reversal of 53253450221254 is 45212205435235.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 53253450221254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13313362555312 + ... + 13313362555315.

It is an arithmetic number, because the mean of its divisors is an integer number (19970043832971).

Almost surely, 2^{53253450221254} is an apocalyptic number.

53253450221254 is a deficient number, since it is larger than the sum of its proper divisors (26626725110630).

53253450221254 is a wasteful number, since it uses less digits than its factorization.

53253450221254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26626725110629.

The product of its (nonzero) digits is 1440000, while the sum is 43.

Adding to 53253450221254 its reverse (45212205435235), we get a palindrome (98465655656489).

The spelling of 53253450221254 in words is "fifty-three trillion, two hundred fifty-three billion, four hundred fifty million, two hundred twenty-one thousand, two hundred fifty-four".