52055040 has 88 divisors (see below), whose sum is σ = 166543920. Its totient is φ = 13877248.

The previous prime is 52055039. The next prime is 52055053. The reversal of 52055040 is 4055025.

It is a junction number, because it is equal to n+sod(n) for n = 52054998 and 52055016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13666 + ... + 17054.

Almost surely, 2^52055040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52055040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83271960).

52055040 is an abundant number, since it is smaller than the sum of its proper divisors (114488880).

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

52055040 is a wasteful number, since it uses less digits than its factorization.

52055040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417 (or 3399 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 52055040 is about 7214.9178789505. The cubic root of 52055040 is about 373.3827598959.

The spelling of 52055040 in words is "fifty-two million, fifty-five thousand, forty".