53437139 has 16 divisors (see below), whose sum is σ = 66028800. Its totient is φ = 42215904.

The previous prime is 53437133. The next prime is 53437151. The reversal of 53437139 is 93173435.

It is a cyclic number.

It is not a de Polignac number, because 53437139 - 2¹⁶ = 53371603 is a prime.

It is a super-3 number, since 3×53437139³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53437099 and 53437108.

It is not an unprimeable number, because it can be changed into a prime (53437133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509 + ... + 10350.

It is an arithmetic number, because the mean of its divisors is an integer number (4126800).

Almost surely, 2^53437139 is an apocalyptic number.

53437139 is a deficient number, since it is larger than the sum of its proper divisors (12591661).

53437139 is a wasteful number, since it uses less digits than its factorization.

53437139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10922.

The product of its digits is 34020, while the sum is 35.

The square root of 53437139 is about 7310.0710666860. The cubic root of 53437139 is about 376.6584654631.

It can be divided in two parts, 534 and 37139, that added together give a palindrome (37673).

The spelling of 53437139 in words is "fifty-three million, four hundred thirty-seven thousand, one hundred thirty-nine".