53875240 has 16 divisors (see below), whose sum is σ = 121219380. Its totient is φ = 21550080.

The previous prime is 53875231. The next prime is 53875247. The reversal of 53875240 is 4257835.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50041476 + 3833764 = 7074^2 + 1958^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53875196 and 53875205.

It is not an unprimeable number, because it can be changed into a prime (53875247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673401 + ... + 673480.

Almost surely, 2^53875240 is an apocalyptic number.

It is an amenable number.

53875240 is an abundant number, since it is smaller than the sum of its proper divisors (67344140).

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

53875240 is a wasteful number, since it uses less digits than its factorization.

53875240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346892 (or 1346888 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 53875240 is about 7339.9754767983. The cubic root of 53875240 is about 377.6850020800.

The spelling of 53875240 in words is "fifty-three million, eight hundred seventy-five thousand, two hundred forty".