53761387 has 2 divisors, whose sum is σ = 53761388. Its totient is φ = 53761386.

The previous prime is 53761369. The next prime is 53761399. The reversal of 53761387 is 78316735.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53761387 - 2¹¹ = 53759339 is a prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (53761087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26880693 + 26880694.

It is an arithmetic number, because the mean of its divisors is an integer number (26880694).

Almost surely, 2^53761387 is an apocalyptic number.

53761387 is a deficient number, since it is larger than the sum of its proper divisors (1).

53761387 is an equidigital number, since it uses as much as digits as its factorization.

53761387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 40.

The square root of 53761387 is about 7332.2156951361. The cubic root of 53761387 is about 377.4187641521.

The spelling of 53761387 in words is "fifty-three million, seven hundred sixty-one thousand, three hundred eighty-seven".