53633066 has 4 divisors (see below), whose sum is σ = 80449602. Its totient is φ = 26816532.

The previous prime is 53633051. The next prime is 53633071. The reversal of 53633066 is 66033635.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66033635 = 5 ⋅13206727.

It can be written as a sum of positive squares in only one way, i.e., 52867441 + 765625 = 7271^2 + 875^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13408265 + ... + 13408268.

Almost surely, 2^53633066 is an apocalyptic number.

53633066 is a deficient number, since it is larger than the sum of its proper divisors (26816536).

53633066 is a wasteful number, since it uses less digits than its factorization.

53633066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26816535.

The product of its (nonzero) digits is 29160, while the sum is 32.

The square root of 53633066 is about 7323.4599746295. The cubic root of 53633066 is about 377.1182427828.

The spelling of 53633066 in words is "fifty-three million, six hundred thirty-three thousand, sixty-six".