53985437 has 8 divisors (see below), whose sum is σ = 59256480. Its totient is φ = 48774960.

The previous prime is 53985433. The next prime is 53985457. The reversal of 53985437 is 73458935.

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 53985437 - 2² = 53985433 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53985431) 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, 13262 + ... + 16847.

It is an arithmetic number, because the mean of its divisors is an integer number (7407060).

Almost surely, 2^53985437 is an apocalyptic number.

It is an amenable number.

53985437 is a deficient number, since it is larger than the sum of its proper divisors (5271043).

53985437 is a wasteful number, since it uses less digits than its factorization.

53985437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30283.

The product of its digits is 453600, while the sum is 44.

The square root of 53985437 is about 7347.4782748913. The cubic root of 53985437 is about 377.9423337094.

The spelling of 53985437 in words is "fifty-three million, nine hundred eighty-five thousand, four hundred thirty-seven".