53617623 has 16 divisors (see below), whose sum is σ = 75376896. Its totient is φ = 33834240.

The previous prime is 53617589. The next prime is 53617651. The reversal of 53617623 is 32671635.

It is not a de Polignac number, because 53617623 - 2⁹ = 53617111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53617423) 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, 2688 + ... + 10698.

It is an arithmetic number, because the mean of its divisors is an integer number (4711056).

Almost surely, 2^53617623 is an apocalyptic number.

53617623 is a deficient number, since it is larger than the sum of its proper divisors (21759273).

53617623 is a wasteful number, since it uses less digits than its factorization.

53617623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8134.

The product of its digits is 22680, while the sum is 33.

The square root of 53617623 is about 7322.4055473594. The cubic root of 53617623 is about 377.0820437454.

The spelling of 53617623 in words is "fifty-three million, six hundred seventeen thousand, six hundred twenty-three".