53526140 has 12 divisors (see below), whose sum is σ = 112404936. Its totient is φ = 21410448.

The previous prime is 53526133. The next prime is 53526203. The reversal of 53526140 is 4162535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1338134 + ... + 1338173.

It is an arithmetic number, because the mean of its divisors is an integer number (9367078).

Almost surely, 2^53526140 is an apocalyptic number.

It is an amenable number.

53526140 is an abundant number, since it is smaller than the sum of its proper divisors (58878796).

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

53526140 is a wasteful number, since it uses less digits than its factorization.

53526140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676316 (or 2676314 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 53526140 is about 7316.1560945622. The cubic root of 53526140 is about 376.8674610965.

Adding to 53526140 its reverse (4162535), we get a palindrome (57688675).

The spelling of 53526140 in words is "fifty-three million, five hundred twenty-six thousand, one hundred forty".