52055340 has 24 divisors (see below), whose sum is σ = 145755120. Its totient is φ = 13881408.

The previous prime is 52055317. The next prime is 52055357. The reversal of 52055340 is 4355025.

It is a self number, because there is not a number n which added to its sum of digits gives 52055340.

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, 433735 + ... + 433854.

It is an arithmetic number, because the mean of its divisors is an integer number (6073130).

Almost surely, 2^52055340 is an apocalyptic number.

It is an amenable number.

52055340 is an abundant number, since it is smaller than the sum of its proper divisors (93699780).

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

52055340 is a wasteful number, since it uses less digits than its factorization.

52055340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867601 (or 867599 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 52055340 is about 7214.9386691780. The cubic root of 52055340 is about 373.3834771791.

The spelling of 52055340 in words is "fifty-two million, fifty-five thousand, three hundred forty".