53406771 has 8 divisors (see below), whose sum is σ = 77682624. Its totient is φ = 32367720.

The previous prime is 53406763. The next prime is 53406779. The reversal of 53406771 is 17760435.

It is an interprime number because it is at equal distance from previous prime (53406763) and next prime (53406779).

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

It is not a de Polignac number, because 53406771 - 2³ = 53406763 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1618387 = 53406771 / (5 + 3 + 4 + 0 + 6 + 7 + 7 + 1).

It is not an unprimeable number, because it can be changed into a prime (53406779) 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, 809161 + ... + 809226.

It is an arithmetic number, because the mean of its divisors is an integer number (9710328).

Almost surely, 2^53406771 is an apocalyptic number.

53406771 is a deficient number, since it is larger than the sum of its proper divisors (24275853).

53406771 is a wasteful number, since it uses less digits than its factorization.

53406771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618401.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 53406771 is about 7307.9936371072. The cubic root of 53406771 is about 376.5871010402.

The spelling of 53406771 in words is "fifty-three million, four hundred six thousand, seven hundred seventy-one".