53455454220 has 48 divisors (see below), whose sum is σ = 171057454848. Its totient is φ = 12218389440.

The previous prime is 53455454197. The next prime is 53455454231. The reversal of 53455454220 is 2245455435.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63637026 + ... + 63637865.

It is an arithmetic number, because the mean of its divisors is an integer number (3563696976).

Almost surely, 2^53455454220 is an apocalyptic number.

It is an amenable number.

53455454220 is an abundant number, since it is smaller than the sum of its proper divisors (117602000628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53455454220 is a wasteful number, since it uses less digits than its factorization.

53455454220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127274910 (or 127274908 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 39.

The spelling of 53455454220 in words is "fifty-three billion, four hundred fifty-five million, four hundred fifty-four thousand, two hundred twenty".