53083387 has 4 divisors (see below), whose sum is σ = 60666736. Its totient is φ = 45500040.

The previous prime is 53083343. The next prime is 53083399. The reversal of 53083387 is 78338035.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53083387 - 2¹⁵ = 53050619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53083307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3791664 + ... + 3791677.

It is an arithmetic number, because the mean of its divisors is an integer number (15166684).

Almost surely, 2^53083387 is an apocalyptic number.

53083387 is a deficient number, since it is larger than the sum of its proper divisors (7583349).

53083387 is an equidigital number, since it uses as much as digits as its factorization.

53083387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7583348.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 53083387 is about 7285.8346810781. The cubic root of 53083387 is about 375.8254693049.

The spelling of 53083387 in words is "fifty-three million, eighty-three thousand, three hundred eighty-seven".