53953506 has 32 divisors (see below), whose sum is σ = 120362880. Its totient is φ = 17914608.

The previous prime is 53953457. The next prime is 53953513. The reversal of 53953506 is 60535935.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13155 + ... + 16761.

It is an arithmetic number, because the mean of its divisors is an integer number (3761340).

Almost surely, 2^53953506 is an apocalyptic number.

53953506 is an abundant number, since it is smaller than the sum of its proper divisors (66409374).

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

53953506 is a wasteful number, since it uses less digits than its factorization.

53953506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895 (or 3889 counting only the distinct ones).

The product of its (nonzero) digits is 60750, while the sum is 36.

The square root of 53953506 is about 7345.3050311066. The cubic root of 53953506 is about 377.8678046176.

It can be divided in two parts, 539 and 53506, that added together give a palindrome (54045).

The spelling of 53953506 in words is "fifty-three million, nine hundred fifty-three thousand, five hundred six".