53455021225 has 24 divisors (see below), whose sum is σ = 66636538560. Its totient is φ = 42537069120.

The previous prime is 53455021201. The next prime is 53455021241. The reversal of 53455021225 is 52212055435.

It is not a de Polignac number, because 53455021225 - 2¹³ = 53455013033 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7390911 + ... + 7398139.

It is an arithmetic number, because the mean of its divisors is an integer number (2776522440).

Almost surely, 2^53455021225 is an apocalyptic number.

It is an amenable number.

53455021225 is a deficient number, since it is larger than the sum of its proper divisors (13181517335).

53455021225 is a wasteful number, since it uses less digits than its factorization.

53455021225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8769 (or 8764 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 53455021225 in words is "fifty-three billion, four hundred fifty-five million, twenty-one thousand, two hundred twenty-five".