53719951 has 2 divisors, whose sum is σ = 53719952. Its totient is φ = 53719950.

The previous prime is 53719937. The next prime is 53719957. The reversal of 53719951 is 15991735.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53719951 - 2²¹ = 51622799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53719957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26859975 + 26859976.

It is an arithmetic number, because the mean of its divisors is an integer number (26859976).

Almost surely, 2^53719951 is an apocalyptic number.

53719951 is a deficient number, since it is larger than the sum of its proper divisors (1).

53719951 is an equidigital number, since it uses as much as digits as its factorization.

53719951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42525, while the sum is 40.

The square root of 53719951 is about 7329.3895380175. The cubic root of 53719951 is about 377.3217754378.

The spelling of 53719951 in words is "fifty-three million, seven hundred nineteen thousand, nine hundred fifty-one".