53747957 has 2 divisors, whose sum is σ = 53747958. Its totient is φ = 53747956.

The previous prime is 53747951. The next prime is 53747959. The reversal of 53747957 is 75974735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40271716 + 13476241 = 6346^2 + 3671^2 .

It is a cyclic number.

It is not a de Polignac number, because 53747957 - 2¹² = 53743861 is a prime.

Together with 53747959, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53747951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26873978 + 26873979.

It is an arithmetic number, because the mean of its divisors is an integer number (26873979).

Almost surely, 2^53747957 is an apocalyptic number.

It is an amenable number.

53747957 is a deficient number, since it is larger than the sum of its proper divisors (1).

53747957 is an equidigital number, since it uses as much as digits as its factorization.

53747957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 926100, while the sum is 47.

The square root of 53747957 is about 7331.2998165400. The cubic root of 53747957 is about 377.3873341835.

It can be divided in two parts, 5374 and 7957, that added together give a palindrome (13331).

The spelling of 53747957 in words is "fifty-three million, seven hundred forty-seven thousand, nine hundred fifty-seven".