53730437 has 2 divisors, whose sum is σ = 53730438. Its totient is φ = 53730436.

The previous prime is 53730433. The next prime is 53730463. The reversal of 53730437 is 73403735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52215076 + 1515361 = 7226^2 + 1231^2 .

It is a cyclic number.

It is not a de Polignac number, because 53730437 - 2² = 53730433 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53730433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26865218 + 26865219.

It is an arithmetic number, because the mean of its divisors is an integer number (26865219).

Almost surely, 2^53730437 is an apocalyptic number.

It is an amenable number.

53730437 is a deficient number, since it is larger than the sum of its proper divisors (1).

53730437 is an equidigital number, since it uses as much as digits as its factorization.

53730437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 32.

The square root of 53730437 is about 7330.1048423607. The cubic root of 53730437 is about 377.3463245960.

The spelling of 53730437 in words is "fifty-three million, seven hundred thirty thousand, four hundred thirty-seven".