53356511 has 12 divisors (see below), whose sum is σ = 58062240. Its totient is φ = 49008960.

The previous prime is 53356483. The next prime is 53356529. The reversal of 53356511 is 11565335.

It is not a de Polignac number, because 53356511 - 2¹⁰ = 53355487 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53356411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39731 + ... + 41051.

It is an arithmetic number, because the mean of its divisors is an integer number (4838520).

Almost surely, 2^53356511 is an apocalyptic number.

53356511 is a deficient number, since it is larger than the sum of its proper divisors (4705729).

53356511 is a wasteful number, since it uses less digits than its factorization.

53356511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586 (or 1573 counting only the distinct ones).

The product of its digits is 6750, while the sum is 29.

The square root of 53356511 is about 7304.5541273920. The cubic root of 53356511 is about 376.4689312039.

The spelling of 53356511 in words is "fifty-three million, three hundred fifty-six thousand, five hundred eleven".