53710989 has 8 divisors (see below), whose sum is σ = 73138560. Its totient is φ = 35045376.

The previous prime is 53710933. The next prime is 53710997. The reversal of 53710989 is 98901735.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53710989 - 2⁸ = 53710733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53710989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53711989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190324 + ... + 190605.

It is an arithmetic number, because the mean of its divisors is an integer number (9142320).

Almost surely, 2^53710989 is an apocalyptic number.

It is an amenable number.

53710989 is a deficient number, since it is larger than the sum of its proper divisors (19427571).

53710989 is a wasteful number, since it uses less digits than its factorization.

53710989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380979.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 53710989 is about 7328.7781382711. The cubic root of 53710989 is about 377.3007916397.

The spelling of 53710989 in words is "fifty-three million, seven hundred ten thousand, nine hundred eighty-nine".