53973536 has 12 divisors (see below), whose sum is σ = 106260462. Its totient is φ = 26986752.

The previous prime is 53973533. The next prime is 53973539. The reversal of 53973536 is 63537935.

It is an interprime number because it is at equal distance from previous prime (53973533) and next prime (53973539).

It can be written as a sum of positive squares in only one way, i.e., 51552400 + 2421136 = 7180^2 + 1556^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53973493 and 53973502.

It is not an unprimeable number, because it can be changed into a prime (53973533) 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 as a sum of consecutive naturals, namely, 843305 + ... + 843368.

Almost surely, 2^53973536 is an apocalyptic number.

It is an amenable number.

53973536 is a deficient number, since it is larger than the sum of its proper divisors (52286926).

53973536 is a wasteful number, since it uses less digits than its factorization.

53973536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686683 (or 1686675 counting only the distinct ones).

The product of its digits is 255150, while the sum is 41.

The square root of 53973536 is about 7346.6683605564. The cubic root of 53973536 is about 377.9145594149.

The spelling of 53973536 in words is "fifty-three million, nine hundred seventy-three thousand, five hundred thirty-six".