53690522 has 16 divisors (see below), whose sum is σ = 85487400. Its totient is φ = 25202688.

The previous prime is 53690521. The next prime is 53690569. The reversal of 53690522 is 22509635.

It can be written as a sum of positive squares in 4 ways, for example, as 53129521 + 561001 = 7289^2 + 749^2 .

It is not an unprimeable number, because it can be changed into a prime (53690521) 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 7 ways as a sum of consecutive naturals, for example, 13508 + ... + 17024.

Almost surely, 2^53690522 is an apocalyptic number.

53690522 is a deficient number, since it is larger than the sum of its proper divisors (31796878).

53690522 is a wasteful number, since it uses less digits than its factorization.

53690522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3985.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 53690522 is about 7327.3816605934. The cubic root of 53690522 is about 377.2528610608.

The spelling of 53690522 in words is "fifty-three million, six hundred ninety thousand, five hundred twenty-two".