52440148 has 12 divisors (see below), whose sum is σ = 94008852. Its totient is φ = 25580480.

The previous prime is 52440131. The next prime is 52440173. The reversal of 52440148 is 84104425.

It can be written as a sum of positive squares in 2 ways, for example, as 8191044 + 44249104 = 2862^2 + 6652^2 .

It is a congruent number.

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, 159715 + ... + 160042.

It is an arithmetic number, because the mean of its divisors is an integer number (7834071).

Almost surely, 2^52440148 is an apocalyptic number.

It is an amenable number.

52440148 is a deficient number, since it is larger than the sum of its proper divisors (41568704).

52440148 is a wasteful number, since it uses less digits than its factorization.

52440148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319802 (or 319800 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 52440148 is about 7241.5570148967. The cubic root of 52440148 is about 374.3012719232.

The spelling of 52440148 in words is "fifty-two million, four hundred forty thousand, one hundred forty-eight".