53536779 has 12 divisors (see below), whose sum is σ = 77414376. Its totient is φ = 35652672.

The previous prime is 53536741. The next prime is 53536781. The reversal of 53536779 is 97763535.

It is not a de Polignac number, because 53536779 - 2¹² = 53532683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53536739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7459 + ... + 12755.

It is an arithmetic number, because the mean of its divisors is an integer number (6451198).

Almost surely, 2^53536779 is an apocalyptic number.

53536779 is a deficient number, since it is larger than the sum of its proper divisors (23877597).

53536779 is a wasteful number, since it uses less digits than its factorization.

53536779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6426 (or 6423 counting only the distinct ones).

The product of its digits is 595350, while the sum is 45.

The square root of 53536779 is about 7316.8831478984. The cubic root of 53536779 is about 376.8924285068.

The spelling of 53536779 in words is "fifty-three million, five hundred thirty-six thousand, seven hundred seventy-nine".