53211235 has 32 divisors (see below), whose sum is σ = 81575424. Its totient is φ = 32352000.

The previous prime is 53211227. The next prime is 53211251.

53211235 = 793² + 794² + ... + 869².

53211235 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 53211235 - 2³ = 53211227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14100 + ... + 17470.

It is an arithmetic number, because the mean of its divisors is an integer number (2549232).

Almost surely, 2^53211235 is an apocalyptic number.

53211235 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53211235 is a deficient number, since it is larger than the sum of its proper divisors (28364189).

53211235 is a wasteful number, since it uses less digits than its factorization.

53211235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435.

The product of its digits is 900, while the sum is 22.

The square root of 53211235 is about 7294.6031420496. The cubic root of 53211235 is about 376.1269447437.

It can be divided in two parts, 5321 and 1235, that added together give a palindrome (6556).

The spelling of 53211235 in words is "fifty-three million, two hundred eleven thousand, two hundred thirty-five".