53553964 has 6 divisors (see below), whose sum is σ = 93719444. Its totient is φ = 26776980.

The previous prime is 53553943. The next prime is 53553967. The reversal of 53553964 is 46935535.

It is a happy number.

It is a super-2 number, since 2×53553964² = 5736054120226592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53553967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6694242 + ... + 6694249.

Almost surely, 2^53553964 is an apocalyptic number.

It is an amenable number.

53553964 is a deficient number, since it is larger than the sum of its proper divisors (40165480).

53553964 is a wasteful number, since it uses less digits than its factorization.

53553964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13388495 (or 13388493 counting only the distinct ones).

The product of its digits is 243000, while the sum is 40.

The square root of 53553964 is about 7318.0573925052. The cubic root of 53553964 is about 376.9327509643.

The spelling of 53553964 in words is "fifty-three million, five hundred fifty-three thousand, nine hundred sixty-four".