53309958 has 16 divisors (see below), whose sum is σ = 114821616. Its totient is φ = 16403040.

The previous prime is 53309951. The next prime is 53309969. The reversal of 53309958 is 85990335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53309951) 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, 341653 + ... + 341808.

It is an arithmetic number, because the mean of its divisors is an integer number (7176351).

Almost surely, 2^53309958 is an apocalyptic number.

53309958 is an abundant number, since it is smaller than the sum of its proper divisors (61511658).

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

53309958 is a wasteful number, since it uses less digits than its factorization.

53309958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683479.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 53309958 is about 7301.3668583355. The cubic root of 53309958 is about 376.3594109391.

The spelling of 53309958 in words is "fifty-three million, three hundred nine thousand, nine hundred fifty-eight".