54821252 has 12 divisors (see below), whose sum is σ = 99245580. Its totient is φ = 26465376.

The previous prime is 54821233. The next prime is 54821267. The reversal of 54821252 is 25212845.

It can be written as a sum of positive squares in 2 ways, for example, as 41396356 + 13424896 = 6434^2 + 3664^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236183 + ... + 236414.

It is an arithmetic number, because the mean of its divisors is an integer number (8270465).

Almost surely, 2^54821252 is an apocalyptic number.

It is an amenable number.

54821252 is a deficient number, since it is larger than the sum of its proper divisors (44424328).

54821252 is a wasteful number, since it uses less digits than its factorization.

54821252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472630 (or 472628 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

The square root of 54821252 is about 7404.1374919703. The cubic root of 54821252 is about 379.8828170529.

The spelling of 54821252 in words is "fifty-four million, eight hundred twenty-one thousand, two hundred fifty-two".