53474815 has 8 divisors (see below), whose sum is σ = 64217088. Its totient is φ = 42748320.

The previous prime is 53474807. The next prime is 53474833. The reversal of 53474815 is 51847435.

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

It is not a de Polignac number, because 53474815 - 2³ = 53474807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5634 + ... + 11776.

It is an arithmetic number, because the mean of its divisors is an integer number (8027136).

Almost surely, 2^53474815 is an apocalyptic number.

53474815 is a deficient number, since it is larger than the sum of its proper divisors (10742273).

53474815 is a wasteful number, since it uses less digits than its factorization.

53474815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7889.

The product of its digits is 67200, while the sum is 37.

The square root of 53474815 is about 7312.6476053479. The cubic root of 53474815 is about 376.7469660252.

It can be divided in two parts, 53474 and 815, that added together give a square (54289 = 233²).

The spelling of 53474815 in words is "fifty-three million, four hundred seventy-four thousand, eight hundred fifteen".