53927551 has 2 divisors, whose sum is σ = 53927552. Its totient is φ = 53927550.

The previous prime is 53927483. The next prime is 53927557. The reversal of 53927551 is 15572935.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53927551 - 2¹¹ = 53925503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53927551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53927557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26963775 + 26963776.

It is an arithmetic number, because the mean of its divisors is an integer number (26963776).

Almost surely, 2^53927551 is an apocalyptic number.

53927551 is a deficient number, since it is larger than the sum of its proper divisors (1).

53927551 is an equidigital number, since it uses as much as digits as its factorization.

53927551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47250, while the sum is 37.

The square root of 53927551 is about 7343.5380437498. The cubic root of 53927551 is about 377.8072022416.

The spelling of 53927551 in words is "fifty-three million, nine hundred twenty-seven thousand, five hundred fifty-one".