55442037 has 16 divisors (see below), whose sum is σ = 84869120. Its totient is φ = 31536432.

The previous prime is 55442033. The next prime is 55442039. The reversal of 55442037 is 73024455.

It is not a de Polignac number, because 55442037 - 2² = 55442033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55441995 and 55442013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55442033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1237 + ... + 10602.

It is an arithmetic number, because the mean of its divisors is an integer number (5304320).

Almost surely, 2^55442037 is an apocalyptic number.

It is an amenable number.

55442037 is a deficient number, since it is larger than the sum of its proper divisors (29427083).

55442037 is a wasteful number, since it uses less digits than its factorization.

55442037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12072.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 55442037 is about 7445.9409747862. The cubic root of 55442037 is about 381.3113443527.

It can be divided in two parts, 5544 and 2037, that multiplied together give a triangular number (11293128 = T₄₇₅₂).

The spelling of 55442037 in words is "fifty-five million, four hundred forty-two thousand, thirty-seven".