53437 has 2 divisors, whose sum is σ = 53438. Its totient is φ = 53436.

The previous prime is 53419. The next prime is 53441. The reversal of 53437 is 73435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47961 + 5476 = 219^2 + 74^2 .

It is a cyclic number.

It is not a de Polignac number, because 53437 - 2⁷ = 53309 is a prime.

It is equal to p₅₄₄₉ and since 53437 and 5449 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26718 + 26719.

It is an arithmetic number, because the mean of its divisors is an integer number (26719).

2⁵³⁴³⁷ is an apocalyptic number.

It is an amenable number.

53437 is a deficient number, since it is larger than the sum of its proper divisors (1).

53437 is an equidigital number, since it uses as much as digits as its factorization.

53437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 22.

The square root of 53437 is about 231.1644436327. The cubic root of 53437 is about 37.6658138876.

It can be divided in two parts, 5343 and 7, that multiplied together give a triangular number (37401 = T₂₇₃).

The spelling of 53437 in words is "fifty-three thousand, four hundred thirty-seven".