53132945 has 8 divisors (see below), whose sum is σ = 64247040. Its totient is φ = 42181360.

The previous prime is 53132941. The next prime is 53132957. The reversal of 53132945 is 54923135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53132945 - 2² = 53132941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53132941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39905 + ... + 41214.

It is an arithmetic number, because the mean of its divisors is an integer number (8030880).

Almost surely, 2^53132945 is an apocalyptic number.

It is an amenable number.

53132945 is a deficient number, since it is larger than the sum of its proper divisors (11114095).

53132945 is a wasteful number, since it uses less digits than its factorization.

53132945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81255.

The product of its digits is 16200, while the sum is 32.

The square root of 53132945 is about 7289.2348706843. The cubic root of 53132945 is about 375.9423882796.

The spelling of 53132945 in words is "fifty-three million, one hundred thirty-two thousand, nine hundred forty-five".