53709951 has 16 divisors (see below), whose sum is σ = 73392128. Its totient is φ = 34927200.

The previous prime is 53709923. The next prime is 53709961. The reversal of 53709951 is 15990735.

It is not a de Polignac number, because 53709951 - 2²² = 49515647 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53709961) 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, 22086 + ... + 24396.

It is an arithmetic number, because the mean of its divisors is an integer number (4587008).

Almost surely, 2^53709951 is an apocalyptic number.

53709951 is a deficient number, since it is larger than the sum of its proper divisors (19682177).

53709951 is a wasteful number, since it uses less digits than its factorization.

53709951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502.

The product of its (nonzero) digits is 42525, while the sum is 39.

The square root of 53709951 is about 7328.7073212129. The cubic root of 53709951 is about 377.2983610958.

The spelling of 53709951 in words is "fifty-three million, seven hundred nine thousand, nine hundred fifty-one".