52975540 has 24 divisors (see below), whose sum is σ = 111428352. Its totient is φ = 21156000.

The previous prime is 52975537. The next prime is 52975543. The reversal of 52975540 is 4557925.

52975540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52975537) and next prime (52975543).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 52975540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52975543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13257 + ... + 16783.

It is an arithmetic number, because the mean of its divisors is an integer number (4642848).

Almost surely, 2^52975540 is an apocalyptic number.

It is an amenable number.

52975540 is an abundant number, since it is smaller than the sum of its proper divisors (58452812).

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

52975540 is a wasteful number, since it uses less digits than its factorization.

52975540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287 (or 4285 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 52975540 is about 7278.4297757140. The cubic root of 52975540 is about 375.5707811533.

The spelling of 52975540 in words is "fifty-two million, nine hundred seventy-five thousand, five hundred forty".