53212154 has 4 divisors (see below), whose sum is σ = 79818234. Its totient is φ = 26606076.

The previous prime is 53212147. The next prime is 53212171. The reversal of 53212154 is 45121235.

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

It can be written as a sum of positive squares in only one way, i.e., 50794129 + 2418025 = 7127^2 + 1555^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13303037 + ... + 13303040.

Almost surely, 2^53212154 is an apocalyptic number.

53212154 is a deficient number, since it is larger than the sum of its proper divisors (26606080).

53212154 is a wasteful number, since it uses less digits than its factorization.

53212154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26606079.

The product of its digits is 1200, while the sum is 23.

The square root of 53212154 is about 7294.6661335527. Note that the first 3 decimals coincide. The cubic root of 53212154 is about 376.1291100676.

Adding to 53212154 its reverse (45121235), we get a palindrome (98333389).

The spelling of 53212154 in words is "fifty-three million, two hundred twelve thousand, one hundred fifty-four".