53262239 has 4 divisors (see below), whose sum is σ = 54561360. Its totient is φ = 51963120.

The previous prime is 53262229. The next prime is 53262259. The reversal of 53262239 is 93226235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93226235 = 5 ⋅18645247.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53262239 is a prime.

It is a super-2 number, since 2×53262239² = 5673732206586242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53262229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649499 + ... + 649580.

It is an arithmetic number, because the mean of its divisors is an integer number (13640340).

Almost surely, 2^53262239 is an apocalyptic number.

53262239 is a deficient number, since it is larger than the sum of its proper divisors (1299121).

53262239 is a wasteful number, since it uses less digits than its factorization.

53262239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299120.

The product of its digits is 19440, while the sum is 32.

The square root of 53262239 is about 7298.0983139445. The cubic root of 53262239 is about 376.2470813562.

The spelling of 53262239 in words is "fifty-three million, two hundred sixty-two thousand, two hundred thirty-nine".