53623929 has 8 divisors (see below), whose sum is σ = 73964160. Its totient is φ = 34516496.

The previous prime is 53623907. The next prime is 53623931. The reversal of 53623929 is 92932635.

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

It is not a de Polignac number, because 53623929 - 2⁵ = 53623897 is a prime.

It is a super-2 number, since 2×53623929² = 5751051522794082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53623949) 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, 308097 + ... + 308270.

It is an arithmetic number, because the mean of its divisors is an integer number (9245520).

Almost surely, 2^53623929 is an apocalyptic number.

It is an amenable number.

53623929 is a deficient number, since it is larger than the sum of its proper divisors (20340231).

53623929 is a wasteful number, since it uses less digits than its factorization.

53623929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616399.

The product of its digits is 87480, while the sum is 39.

The square root of 53623929 is about 7322.8361308990. The cubic root of 53623929 is about 377.0968261125.

The spelling of 53623929 in words is "fifty-three million, six hundred twenty-three thousand, nine hundred twenty-nine".