53023961 has 4 divisors (see below), whose sum is σ = 53088000. Its totient is φ = 52959924.

The previous prime is 53023939. The next prime is 53023979. The reversal of 53023961 is 16932035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16932035 = 5 ⋅3386407.

It is a cyclic number.

It is not a de Polignac number, because 53023961 - 2²² = 48829657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53023921) 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, 30761 + ... + 32438.

It is an arithmetic number, because the mean of its divisors is an integer number (13272000).

Almost surely, 2^53023961 is an apocalyptic number.

53023961 is the 3257-th centered decagonal number.

It is an amenable number.

53023961 is a deficient number, since it is larger than the sum of its proper divisors (64039).

53023961 is an equidigital number, since it uses as much as digits as its factorization.

53023961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64038.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 53023961 is about 7281.7553515619. The cubic root of 53023961 is about 375.6851734113.

Adding to 53023961 its reverse (16932035), we get a palindrome (69955996).

The spelling of 53023961 in words is "fifty-three million, twenty-three thousand, nine hundred sixty-one".