53151211 has 4 divisors (see below), whose sum is σ = 54447624. Its totient is φ = 51854800.

The previous prime is 53151199. The next prime is 53151221. The reversal of 53151211 is 11215135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11215135 = 5 ⋅2243027.

It is a cyclic number.

It is not a de Polignac number, because 53151211 - 2⁷ = 53151083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53151221) 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, 648145 + ... + 648226.

It is an arithmetic number, because the mean of its divisors is an integer number (13611906).

Almost surely, 2^53151211 is an apocalyptic number.

53151211 is a deficient number, since it is larger than the sum of its proper divisors (1296413).

53151211 is a wasteful number, since it uses less digits than its factorization.

53151211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296412.

The product of its digits is 150, while the sum is 19.

The square root of 53151211 is about 7290.4877065941. The cubic root of 53151211 is about 375.9854637318.

Adding to 53151211 its reverse (11215135), we get a palindrome (64366346).

The spelling of 53151211 in words is "fifty-three million, one hundred fifty-one thousand, two hundred eleven".