53212479 has 4 divisors (see below), whose sum is σ = 70949976. Its totient is φ = 35474984.

The previous prime is 53212469. The next prime is 53212487. The reversal of 53212479 is 97421235.

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 53212479 - 2⁴ = 53212463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53212429) 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, 8868744 + ... + 8868749.

It is an arithmetic number, because the mean of its divisors is an integer number (17737494).

Almost surely, 2^53212479 is an apocalyptic number.

53212479 is a deficient number, since it is larger than the sum of its proper divisors (17737497).

53212479 is a wasteful number, since it uses less digits than its factorization.

53212479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17737496.

The product of its digits is 15120, while the sum is 33.

The square root of 53212479 is about 7294.6884100693. The cubic root of 53212479 is about 376.1298758182.

The spelling of 53212479 in words is "fifty-three million, two hundred twelve thousand, four hundred seventy-nine".