52961493 has 16 divisors (see below), whose sum is σ = 80050880. Its totient is φ = 30875904.

The previous prime is 52961483. The next prime is 52961539. The reversal of 52961493 is 39416925.

It is not a de Polignac number, because 52961493 - 2⁹ = 52960981 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52961473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34996 + ... + 36477.

It is an arithmetic number, because the mean of its divisors is an integer number (5003180).

Almost surely, 2^52961493 is an apocalyptic number.

It is an amenable number.

52961493 is a deficient number, since it is larger than the sum of its proper divisors (27089387).

52961493 is a wasteful number, since it uses less digits than its factorization.

52961493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71508.

The product of its digits is 58320, while the sum is 39.

The square root of 52961493 is about 7277.4647371183. The cubic root of 52961493 is about 375.5375827556.

The spelling of 52961493 in words is "fifty-two million, nine hundred sixty-one thousand, four hundred ninety-three".