53977211 has 4 divisors (see below), whose sum is σ = 54289392. Its totient is φ = 53665032.

The previous prime is 53977181. The next prime is 53977213. The reversal of 53977211 is 11277935.

It is a happy number.

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 53977211 - 2¹⁴ = 53960827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53977213) 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, 155831 + ... + 156176.

It is an arithmetic number, because the mean of its divisors is an integer number (13572348).

Almost surely, 2^53977211 is an apocalyptic number.

53977211 is a deficient number, since it is larger than the sum of its proper divisors (312181).

53977211 is a wasteful number, since it uses less digits than its factorization.

53977211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312180.

The product of its digits is 13230, while the sum is 35.

The square root of 53977211 is about 7346.9184696715. The cubic root of 53977211 is about 377.9231364855.

The spelling of 53977211 in words is "fifty-three million, nine hundred seventy-seven thousand, two hundred eleven".