53942437 has 4 divisors (see below), whose sum is σ = 54747616. Its totient is φ = 53137260.

The previous prime is 53942431. The next prime is 53942443. The reversal of 53942437 is 73424935.

53942437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73424935 = 5 ⋅14684987.

It is an interprime number because it is at equal distance from previous prime (53942431) and next prime (53942443).

It is a cyclic number.

It is not a de Polignac number, because 53942437 - 2¹¹ = 53940389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53942396 and 53942405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53942431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402489 + ... + 402622.

It is an arithmetic number, because the mean of its divisors is an integer number (13686904).

Almost surely, 2^53942437 is an apocalyptic number.

It is an amenable number.

53942437 is a deficient number, since it is larger than the sum of its proper divisors (805179).

53942437 is an equidigital number, since it uses as much as digits as its factorization.

53942437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805178.

The product of its digits is 90720, while the sum is 37.

The square root of 53942437 is about 7344.5515179621. The cubic root of 53942437 is about 377.8419619671.

The spelling of 53942437 in words is "fifty-three million, nine hundred forty-two thousand, four hundred thirty-seven".