53350540 has 24 divisors (see below), whose sum is σ = 112859712. Its totient is φ = 21183360.

The previous prime is 53350529. The next prime is 53350543. The reversal of 53350540 is 4505335.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (53350543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6996 + ... + 12475.

It is an arithmetic number, because the mean of its divisors is an integer number (4702488).

Almost surely, 2^53350540 is an apocalyptic number.

It is an amenable number.

53350540 is an abundant number, since it is smaller than the sum of its proper divisors (59509172).

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

53350540 is a wasteful number, since it uses less digits than its factorization.

53350540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19617 (or 19615 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 53350540 is about 7304.1453983337. The cubic root of 53350540 is about 376.4548874331.

Adding to 53350540 its reverse (4505335), we get a palindrome (57855875).

The spelling of 53350540 in words is "fifty-three million, three hundred fifty thousand, five hundred forty".