53476647 has 16 divisors (see below), whose sum is σ = 83223552. Its totient is φ = 29907360.

The previous prime is 53476639. The next prime is 53476681. The reversal of 53476647 is 74667435.

It is a happy number.

It is not a de Polignac number, because 53476647 - 2³ = 53476639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53476599 and 53476608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53476627) 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, 26104 + ... + 28077.

It is an arithmetic number, because the mean of its divisors is an integer number (5201472).

Almost surely, 2^53476647 is an apocalyptic number.

53476647 is a deficient number, since it is larger than the sum of its proper divisors (29746905).

53476647 is a wasteful number, since it uses less digits than its factorization.

53476647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54238.

The product of its digits is 423360, while the sum is 42.

The square root of 53476647 is about 7312.7728667038. The cubic root of 53476647 is about 376.7512683156.

The spelling of 53476647 in words is "fifty-three million, four hundred seventy-six thousand, six hundred forty-seven".