53378797 has 2 divisors, whose sum is σ = 53378798. Its totient is φ = 53378796.

The previous prime is 53378789. The next prime is 53378813. The reversal of 53378797 is 79787335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47527236 + 5851561 = 6894^2 + 2419^2 .

It is a cyclic number.

It is not a de Polignac number, because 53378797 - 2³ = 53378789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53378797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53378777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26689398 + 26689399.

It is an arithmetic number, because the mean of its divisors is an integer number (26689399).

Almost surely, 2^53378797 is an apocalyptic number.

It is an amenable number.

53378797 is a deficient number, since it is larger than the sum of its proper divisors (1).

53378797 is an equidigital number, since it uses as much as digits as its factorization.

53378797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1111320, while the sum is 49.

The square root of 53378797 is about 7306.0794548102. The cubic root of 53378797 is about 376.5213385459.

The spelling of 53378797 in words is "fifty-three million, three hundred seventy-eight thousand, seven hundred ninety-seven".