53495951 has 4 divisors (see below), whose sum is σ = 53592552. Its totient is φ = 53399352.

The previous prime is 53495947. The next prime is 53495989. The reversal of 53495951 is 15959435.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53495951 - 2² = 53495947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53495899 and 53495908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53495251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47465 + ... + 48578.

It is an arithmetic number, because the mean of its divisors is an integer number (13398138).

Almost surely, 2^53495951 is an apocalyptic number.

53495951 is a deficient number, since it is larger than the sum of its proper divisors (96601).

53495951 is an equidigital number, since it uses as much as digits as its factorization.

53495951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96600.

The product of its digits is 121500, while the sum is 41.

The square root of 53495951 is about 7314.0926299849. The cubic root of 53495951 is about 376.7965960861.

The spelling of 53495951 in words is "fifty-three million, four hundred ninety-five thousand, nine hundred fifty-one".