53976947 has 2 divisors, whose sum is σ = 53976948. Its totient is φ = 53976946.

The previous prime is 53976943. The next prime is 53976977. The reversal of 53976947 is 74967935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53976947 - 2² = 53976943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53976895 and 53976904.

It is not a weakly prime, because it can be changed into another prime (53976941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26988473 + 26988474.

It is an arithmetic number, because the mean of its divisors is an integer number (26988474).

Almost surely, 2^53976947 is an apocalyptic number.

53976947 is a deficient number, since it is larger than the sum of its proper divisors (1).

53976947 is an equidigital number, since it uses as much as digits as its factorization.

53976947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 50.

The square root of 53976947 is about 7346.9005029332. The cubic root of 53976947 is about 377.9225203497.

The spelling of 53976947 in words is "fifty-three million, nine hundred seventy-six thousand, nine hundred forty-seven".