53708471 has 4 divisors (see below), whose sum is σ = 53748744. Its totient is φ = 53668200.

The previous prime is 53708453. The next prime is 53708507. The reversal of 53708471 is 17480735.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17480735 = 5 ⋅3496147.

It is a cyclic number.

It is not a de Polignac number, because 53708471 - 2¹⁰ = 53707447 is a prime.

It is a super-3 number, since 3×53708471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53708411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18065 + ... + 20826.

It is an arithmetic number, because the mean of its divisors is an integer number (13437186).

Almost surely, 2^53708471 is an apocalyptic number.

53708471 is a deficient number, since it is larger than the sum of its proper divisors (40273).

53708471 is a wasteful number, since it uses less digits than its factorization.

53708471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40272.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 53708471 is about 7328.6063477308. The cubic root of 53708471 is about 377.2948955263.

The spelling of 53708471 in words is "fifty-three million, seven hundred eight thousand, four hundred seventy-one".