53132986 has 4 divisors (see below), whose sum is σ = 79699482. Its totient is φ = 26566492.

The previous prime is 53132957. The next prime is 53133037. The reversal of 53132986 is 68923135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68923135 = 5 ⋅13784627.

It can be written as a sum of positive squares in only one way, i.e., 44635761 + 8497225 = 6681^2 + 2915^2 .

It is a super-2 number, since 2×53132986² = 5646228402552392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13283245 + ... + 13283248.

Almost surely, 2^53132986 is an apocalyptic number.

53132986 is a deficient number, since it is larger than the sum of its proper divisors (26566496).

53132986 is a wasteful number, since it uses less digits than its factorization.

53132986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26566495.

The product of its digits is 38880, while the sum is 37.

The square root of 53132986 is about 7289.2376830503. The cubic root of 53132986 is about 375.9424849781.

The spelling of 53132986 in words is "fifty-three million, one hundred thirty-two thousand, nine hundred eighty-six".