53617923 has 8 divisors (see below), whose sum is σ = 79434000. Its totient is φ = 35745264.

The previous prime is 53617919. The next prime is 53617931. The reversal of 53617923 is 32971635.

It is not a de Polignac number, because 53617923 - 2² = 53617919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53617903) 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, 992898 + ... + 992951.

It is an arithmetic number, because the mean of its divisors is an integer number (9929250).

Almost surely, 2^53617923 is an apocalyptic number.

53617923 is a deficient number, since it is larger than the sum of its proper divisors (25816077).

53617923 is a wasteful number, since it uses less digits than its factorization.

53617923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985858 (or 1985852 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 53617923 is about 7322.4260324021. The cubic root of 53617923 is about 377.0827470242.

The spelling of 53617923 in words is "fifty-three million, six hundred seventeen thousand, nine hundred twenty-three".