53374989 has 8 divisors (see below), whose sum is σ = 72902592. Its totient is φ = 34715360.

The previous prime is 53374987. The next prime is 53375017. The reversal of 53374989 is 98947335.

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

It is a cyclic number.

It is not a de Polignac number, because 53374989 - 2¹ = 53374987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53374987) 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, 216849 + ... + 217094.

It is an arithmetic number, because the mean of its divisors is an integer number (9112824).

Almost surely, 2^53374989 is an apocalyptic number.

It is an amenable number.

53374989 is a deficient number, since it is larger than the sum of its proper divisors (19527603).

53374989 is a wasteful number, since it uses less digits than its factorization.

53374989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433987.

The product of its digits is 816480, while the sum is 48.

The square root of 53374989 is about 7305.8188452767. The cubic root of 53374989 is about 376.5123847576.

The spelling of 53374989 in words is "fifty-three million, three hundred seventy-four thousand, nine hundred eighty-nine".