53421101225 has 24 divisors (see below), whose sum is σ = 70592981760. Its totient is φ = 40008974720.

The previous prime is 53421101207. The next prime is 53421101243. The reversal of 53421101225 is 52210112435.

It is an interprime number because it is at equal distance from previous prime (53421101207) and next prime (53421101243).

It is not a de Polignac number, because 53421101225 - 2⁸ = 53421100969 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53421101194 and 53421101203.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 961340 + ... + 1015389.

It is an arithmetic number, because the mean of its divisors is an integer number (2941374240).

Almost surely, 2^53421101225 is an apocalyptic number.

It is an amenable number.

53421101225 is a deficient number, since it is larger than the sum of its proper divisors (17171880535).

53421101225 is a wasteful number, since it uses less digits than its factorization.

53421101225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976809 (or 1976804 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 53421101225 in words is "fifty-three billion, four hundred twenty-one million, one hundred one thousand, two hundred twenty-five".