53669958 has 32 divisors (see below), whose sum is σ = 110992896. Its totient is φ = 17290848.

The previous prime is 53669953. The next prime is 53669983. The reversal of 53669958 is 85996635.

It is a self number, because there is not a number n which added to its sum of digits gives 53669958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53669951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22260 + ... + 24552.

It is an arithmetic number, because the mean of its divisors is an integer number (3468528).

Almost surely, 2^53669958 is an apocalyptic number.

53669958 is an abundant number, since it is smaller than the sum of its proper divisors (57322938).

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

53669958 is a wasteful number, since it uses less digits than its factorization.

53669958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428.

The product of its digits is 1749600, while the sum is 51.

The square root of 53669958 is about 7325.9782964461. The cubic root of 53669958 is about 377.2046910537.

The spelling of 53669958 in words is "fifty-three million, six hundred sixty-nine thousand, nine hundred fifty-eight".