53045987 has 2 divisors, whose sum is σ = 53045988. Its totient is φ = 53045986.

The previous prime is 53045983. The next prime is 53046013. The reversal of 53045987 is 78954035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53045987 - 2² = 53045983 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53045983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26522993 + 26522994.

It is an arithmetic number, because the mean of its divisors is an integer number (26522994).

Almost surely, 2^53045987 is an apocalyptic number.

53045987 is a deficient number, since it is larger than the sum of its proper divisors (1).

53045987 is an equidigital number, since it uses as much as digits as its factorization.

53045987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 53045987 is about 7283.2676045852. The cubic root of 53045987 is about 375.7371857215.

The spelling of 53045987 in words is "fifty-three million, forty-five thousand, nine hundred eighty-seven".