54210501252 has 18 divisors (see below), whose sum is σ = 137032100478. Its totient is φ = 18070167072.

The previous prime is 54210501251. The next prime is 54210501281. The reversal of 54210501252 is 25210501245.

54210501252 is a `hidden beast` number, since 542 + 10 + 50 + 12 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 36258253056 + 17952248196 = 190416^2 + 133986^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (54210501251) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 752923593 + ... + 752923664.

It is an arithmetic number, because the mean of its divisors is an integer number (7612894471).

Almost surely, 2^54210501252 is an apocalyptic number.

It is an amenable number.

54210501252 is an abundant number, since it is smaller than the sum of its proper divisors (82821599226).

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

54210501252 is a wasteful number, since it uses less digits than its factorization.

54210501252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505847267 (or 1505847262 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 54210501252 in words is "fifty-four billion, two hundred ten million, five hundred one thousand, two hundred fifty-two".