53761399 has 2 divisors, whose sum is σ = 53761400. Its totient is φ = 53761398.

The previous prime is 53761387. The next prime is 53761423. The reversal of 53761399 is 99316735.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53761399 - 2⁹ = 53760887 is a prime.

It is a super-4 number, since 4×53761399⁴ (a number of 32 digits) contains 4444 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53761319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26880699 + 26880700.

It is an arithmetic number, because the mean of its divisors is an integer number (26880700).

Almost surely, 2^53761399 is an apocalyptic number.

53761399 is a deficient number, since it is larger than the sum of its proper divisors (1).

53761399 is an equidigital number, since it uses as much as digits as its factorization.

53761399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153090, while the sum is 43.

The square root of 53761399 is about 7332.2165134426. The cubic root of 53761399 is about 377.4187922332.

The spelling of 53761399 in words is "fifty-three million, seven hundred sixty-one thousand, three hundred ninety-nine".