52369540 has 24 divisors (see below), whose sum is σ = 113524992. Its totient is φ = 20271840.

The previous prime is 52369531. The next prime is 52369547. The reversal of 52369540 is 4596325.

It is a junction number, because it is equal to n+sod(n) for n = 52369496 and 52369505.

It is not an unprimeable number, because it can be changed into a prime (52369547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41614 + ... + 42853.

It is an arithmetic number, because the mean of its divisors is an integer number (4730208).

Almost surely, 2^52369540 is an apocalyptic number.

It is an amenable number.

52369540 is an abundant number, since it is smaller than the sum of its proper divisors (61155452).

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

52369540 is a wasteful number, since it uses less digits than its factorization.

52369540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84507 (or 84505 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 52369540 is about 7236.6801780927. The cubic root of 52369540 is about 374.1332039084.

The spelling of 52369540 in words is "fifty-two million, three hundred sixty-nine thousand, five hundred forty".