53146747 has 2 divisors, whose sum is σ = 53146748. Its totient is φ = 53146746.

The previous prime is 53146733. The next prime is 53146771. The reversal of 53146747 is 74764135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53146747 - 2¹⁵ = 53113979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53146727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26573373 + 26573374.

It is an arithmetic number, because the mean of its divisors is an integer number (26573374).

Almost surely, 2^53146747 is an apocalyptic number.

53146747 is a deficient number, since it is larger than the sum of its proper divisors (1).

53146747 is an equidigital number, since it uses as much as digits as its factorization.

53146747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 37.

The square root of 53146747 is about 7290.1815478080. The cubic root of 53146747 is about 375.9749374988.

It can be divided in two parts, 531 and 46747, that added together give a triangular number (47278 = T₃₀₇).

The spelling of 53146747 in words is "fifty-three million, one hundred forty-six thousand, seven hundred forty-seven".