53145737 has 2 divisors, whose sum is σ = 53145738. Its totient is φ = 53145736.

The previous prime is 53145731. The next prime is 53145751. The reversal of 53145737 is 73754135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42719296 + 10426441 = 6536^2 + 3229^2 .

It is a cyclic number.

It is not a de Polignac number, because 53145737 - 2¹⁶ = 53080201 is a prime.

It is a super-2 number, since 2×53145737² = 5648938722546338, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53145697 and 53145706.

It is not a weakly prime, because it can be changed into another prime (53145731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26572868 + 26572869.

It is an arithmetic number, because the mean of its divisors is an integer number (26572869).

Almost surely, 2^53145737 is an apocalyptic number.

It is an amenable number.

53145737 is a deficient number, since it is larger than the sum of its proper divisors (1).

53145737 is an equidigital number, since it uses as much as digits as its factorization.

53145737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44100, while the sum is 35.

The square root of 53145737 is about 7290.1122762273. The cubic root of 53145737 is about 375.9725558096.

The spelling of 53145737 in words is "fifty-three million, one hundred forty-five thousand, seven hundred thirty-seven".