53109937 has 2 divisors, whose sum is σ = 53109938. Its totient is φ = 53109936.

The previous prime is 53109899. The next prime is 53109977. The reversal of 53109937 is 73990135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50922496 + 2187441 = 7136^2 + 1479^2 .

It is a cyclic number.

It is not a de Polignac number, because 53109937 - 2⁷ = 53109809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53109896 and 53109905.

It is not a weakly prime, because it can be changed into another prime (53109977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26554968 + 26554969.

It is an arithmetic number, because the mean of its divisors is an integer number (26554969).

Almost surely, 2^53109937 is an apocalyptic number.

It is an amenable number.

53109937 is a deficient number, since it is larger than the sum of its proper divisors (1).

53109937 is an equidigital number, since it uses as much as digits as its factorization.

53109937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25515, while the sum is 37.

The square root of 53109937 is about 7287.6564820249. The cubic root of 53109937 is about 375.8881160430. Note that the first 3 decimals are identical.

The spelling of 53109937 in words is "fifty-three million, one hundred nine thousand, nine hundred thirty-seven".