52638948 has 18 divisors (see below), whose sum is σ = 133059654. Its totient is φ = 17546304.

The previous prime is 52638941. The next prime is 52638959. The reversal of 52638948 is 84983625.

52638948 is a `hidden beast` number, since 5 + 2 + 638 + 9 + 4 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 49112064 + 3526884 = 7008^2 + 1878^2 .

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 (52638941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 731061 + ... + 731132.

It is an arithmetic number, because the mean of its divisors is an integer number (7392203).

Almost surely, 2^52638948 is an apocalyptic number.

It is an amenable number.

52638948 is an abundant number, since it is smaller than the sum of its proper divisors (80420706).

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

52638948 is a wasteful number, since it uses less digits than its factorization.

52638948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462203 (or 1462198 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 52638948 is about 7255.2703602278. The cubic root of 52638948 is about 374.7736660887.

The spelling of 52638948 in words is "fifty-two million, six hundred thirty-eight thousand, nine hundred forty-eight".