53023985 has 8 divisors (see below), whose sum is σ = 72718656. Its totient is φ = 36359280.

The previous prime is 53023979. The next prime is 53024011. The reversal of 53023985 is 58932035.

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

It is not a de Polignac number, because 53023985 - 2⁶ = 53023921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1514971 = 53023985 / (5 + 3 + 0 + 2 + 3 + 9 + 8 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757451 + ... + 757520.

It is an arithmetic number, because the mean of its divisors is an integer number (9089832).

Almost surely, 2^53023985 is an apocalyptic number.

It is an amenable number.

53023985 is a deficient number, since it is larger than the sum of its proper divisors (19694671).

53023985 is a wasteful number, since it uses less digits than its factorization.

53023985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514983.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 53023985 is about 7281.7569995160. The cubic root of 53023985 is about 375.6852300929.

The spelling of 53023985 in words is "fifty-three million, twenty-three thousand, nine hundred eighty-five".