53992945 has 8 divisors (see below), whose sum is σ = 65612160. Its totient is φ = 42647280.

The previous prime is 53992943. The next prime is 53992963. The reversal of 53992945 is 54929935.

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

It is not a de Polignac number, because 53992945 - 2¹ = 53992943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53992895 and 53992904.

It is not an unprimeable number, because it can be changed into a prime (53992943) 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, 67951 + ... + 68740.

It is an arithmetic number, because the mean of its divisors is an integer number (8201520).

Almost surely, 2^53992945 is an apocalyptic number.

It is an amenable number.

53992945 is a deficient number, since it is larger than the sum of its proper divisors (11619215).

53992945 is a wasteful number, since it uses less digits than its factorization.

53992945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136775.

The product of its digits is 437400, while the sum is 46.

The square root of 53992945 is about 7347.9891807215. The cubic root of 53992945 is about 377.9598536164.

The spelling of 53992945 in words is "fifty-three million, nine hundred ninety-two thousand, nine hundred forty-five".