53501923 has 2 divisors, whose sum is σ = 53501924. Its totient is φ = 53501922.

The previous prime is 53501911. The next prime is 53501951. The reversal of 53501923 is 32910535.

It is an a-pointer prime, because the next prime (53501951) can be obtained adding 53501923 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53501923 - 2¹³ = 53493731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53501891 and 53501900.

It is not a weakly prime, because it can be changed into another prime (53501953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26750961 + 26750962.

It is an arithmetic number, because the mean of its divisors is an integer number (26750962).

Almost surely, 2^53501923 is an apocalyptic number.

53501923 is a deficient number, since it is larger than the sum of its proper divisors (1).

53501923 is an equidigital number, since it uses as much as digits as its factorization.

53501923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 53501923 is about 7314.5008715564. The cubic root of 53501923 is about 376.8106167456.

The spelling of 53501923 in words is "fifty-three million, five hundred one thousand, nine hundred twenty-three".