53970023 has 4 divisors (see below), whose sum is σ = 54201888. Its totient is φ = 53738160.

The previous prime is 53970017. The next prime is 53970067. The reversal of 53970023 is 32007935.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32007935 = 5 ⋅6401587.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53970023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53970823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115583 + ... + 116048.

It is an arithmetic number, because the mean of its divisors is an integer number (13550472).

Almost surely, 2^53970023 is an apocalyptic number.

53970023 is a deficient number, since it is larger than the sum of its proper divisors (231865).

53970023 is a wasteful number, since it uses less digits than its factorization.

53970023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231864.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 53970023 is about 7346.4292686992. The cubic root of 53970023 is about 377.9063600716.

Adding to 53970023 its reverse (32007935), we get a palindrome (85977958).

The spelling of 53970023 in words is "fifty-three million, nine hundred seventy thousand, twenty-three".