52493965 has 4 divisors (see below), whose sum is σ = 62992764. Its totient is φ = 41995168.

The previous prime is 52493957. The next prime is 52493983. The reversal of 52493965 is 56939425.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37970244 + 14523721 = 6162^2 + 3811^2 .

It is a cyclic number.

It is not a de Polignac number, because 52493965 - 2³ = 52493957 is a prime.

It is a super-2 number, since 2×52493965² = 5511232722842450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5249392 + ... + 5249401.

It is an arithmetic number, because the mean of its divisors is an integer number (15748191).

Almost surely, 2^52493965 is an apocalyptic number.

It is an amenable number.

52493965 is a deficient number, since it is larger than the sum of its proper divisors (10498799).

52493965 is a wasteful number, since it uses less digits than its factorization.

52493965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10498798.

The product of its digits is 291600, while the sum is 43.

The square root of 52493965 is about 7245.2719065609. The cubic root of 52493965 is about 374.4292710826.

The spelling of 52493965 in words is "fifty-two million, four hundred ninety-three thousand, nine hundred sixty-five".