53147996 has 12 divisors (see below), whose sum is σ = 101464440. Its totient is φ = 24158160.

The previous prime is 53147987. The next prime is 53148031. The reversal of 53147996 is 69974135.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 1207909 = 53147996 / (5 + 3 + 1 + 4 + 7 + 9 + 9 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603911 + ... + 603998.

It is an arithmetic number, because the mean of its divisors is an integer number (8455370).

Almost surely, 2^53147996 is an apocalyptic number.

It is an amenable number.

53147996 is a deficient number, since it is larger than the sum of its proper divisors (48316444).

53147996 is a wasteful number, since it uses less digits than its factorization.

53147996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207924 (or 1207922 counting only the distinct ones).

The product of its digits is 204120, while the sum is 44.

The square root of 53147996 is about 7290.2672104663. The cubic root of 53147996 is about 375.9778827340.

The spelling of 53147996 in words is "fifty-three million, one hundred forty-seven thousand, nine hundred ninety-six".