53947929 has 16 divisors (see below), whose sum is σ = 84119552. Its totient is φ = 30109968.

The previous prime is 53947913. The next prime is 53947981. The reversal of 53947929 is 92974935.

It is not a de Polignac number, because 53947929 - 2⁴ = 53947913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53947129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28969 + ... + 30774.

It is an arithmetic number, because the mean of its divisors is an integer number (5257472).

Almost surely, 2^53947929 is an apocalyptic number.

It is an amenable number.

53947929 is a deficient number, since it is larger than the sum of its proper divisors (30171623).

53947929 is a wasteful number, since it uses less digits than its factorization.

53947929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59796.

The product of its digits is 612360, while the sum is 48.

The square root of 53947929 is about 7344.9253910438. The cubic root of 53947929 is about 377.8547845100.

The spelling of 53947929 in words is "fifty-three million, nine hundred forty-seven thousand, nine hundred twenty-nine".