53774551 has 2 divisors, whose sum is σ = 53774552. Its totient is φ = 53774550.

The previous prime is 53774537. The next prime is 53774561. The reversal of 53774551 is 15547735.

53774551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53774551 - 2¹¹ = 53772503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53774551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53774531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26887275 + 26887276.

It is an arithmetic number, because the mean of its divisors is an integer number (26887276).

Almost surely, 2^53774551 is an apocalyptic number.

53774551 is a deficient number, since it is larger than the sum of its proper divisors (1).

53774551 is an equidigital number, since it uses as much as digits as its factorization.

53774551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73500, while the sum is 37.

The square root of 53774551 is about 7333.1133224572. The cubic root of 53774551 is about 377.4495665268.

The spelling of 53774551 in words is "fifty-three million, seven hundred seventy-four thousand, five hundred fifty-one".