53509622 has 8 divisors (see below), whose sum is σ = 82433856. Its totient is φ = 26031672.

The previous prime is 53509619. The next prime is 53509649. The reversal of 53509622 is 22690535.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 361478 + ... + 361625.

It is an arithmetic number, because the mean of its divisors is an integer number (10304232).

Almost surely, 2^53509622 is an apocalyptic number.

53509622 is a deficient number, since it is larger than the sum of its proper divisors (28924234).

53509622 is a wasteful number, since it uses less digits than its factorization.

53509622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723142.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 53509622 is about 7315.0271359715. The cubic root of 53509622 is about 376.8286904000.

The spelling of 53509622 in words is "fifty-three million, five hundred nine thousand, six hundred twenty-two".