53520722 has 16 divisors (see below), whose sum is σ = 82645440. Its totient is φ = 25975728.

The previous prime is 53520713. The next prime is 53520737. The reversal of 53520722 is 22702535.

It is a junction number, because it is equal to n+sod(n) for n = 53520691 and 53520700.

It is an unprimeable number.

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, 57779 + ... + 58697.

It is an arithmetic number, because the mean of its divisors is an integer number (5165340).

Almost surely, 2^53520722 is an apocalyptic number.

53520722 is a deficient number, since it is larger than the sum of its proper divisors (29124718).

53520722 is a wasteful number, since it uses less digits than its factorization.

53520722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 53520722 is about 7315.7858087836. The cubic root of 53520722 is about 376.8547449619.

The spelling of 53520722 in words is "fifty-three million, five hundred twenty thousand, seven hundred twenty-two".