53213156 has 6 divisors (see below), whose sum is σ = 93123030. Its totient is φ = 26606576.

The previous prime is 53213123. The next prime is 53213159. The reversal of 53213156 is 65131235.

It can be written as a sum of positive squares in only one way, i.e., 48302500 + 4910656 = 6950^2 + 2216^2 .

It is not an unprimeable number, because it can be changed into a prime (53213159) 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 as a sum of consecutive naturals, namely, 6651641 + ... + 6651648.

It is an arithmetic number, because the mean of its divisors is an integer number (15520505).

Almost surely, 2^53213156 is an apocalyptic number.

It is an amenable number.

53213156 is a deficient number, since it is larger than the sum of its proper divisors (39909874).

53213156 is a wasteful number, since it uses less digits than its factorization.

53213156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13303293 (or 13303291 counting only the distinct ones).

The product of its digits is 2700, while the sum is 26.

The square root of 53213156 is about 7294.7348135487. The cubic root of 53213156 is about 376.1314709255.

The spelling of 53213156 in words is "fifty-three million, two hundred thirteen thousand, one hundred fifty-six".