53477747 has 2 divisors, whose sum is σ = 53477748. Its totient is φ = 53477746.

The previous prime is 53477741. The next prime is 53477771. The reversal of 53477747 is 74777435.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53477747 - 2⁴ = 53477731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53477698 and 53477707.

It is not a weakly prime, because it can be changed into another prime (53477741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26738873 + 26738874.

It is an arithmetic number, because the mean of its divisors is an integer number (26738874).

Almost surely, 2^53477747 is an apocalyptic number.

53477747 is a deficient number, since it is larger than the sum of its proper divisors (1).

53477747 is an equidigital number, since it uses as much as digits as its factorization.

53477747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576240, while the sum is 44.

The square root of 53477747 is about 7312.8480771858. The cubic root of 53477747 is about 376.7538515214.

The spelling of 53477747 in words is "fifty-three million, four hundred seventy-seven thousand, seven hundred forty-seven".