55667537 has 16 divisors (see below), whose sum is σ = 61719552. Its totient is φ = 49973760.

The previous prime is 55667531. The next prime is 55667561. The reversal of 55667537 is 73576655.

55667537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55667537 - 2¹⁴ = 55651153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55667531) 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 15 ways as a sum of consecutive naturals, for example, 37748 + ... + 39194.

It is an arithmetic number, because the mean of its divisors is an integer number (3857472).

Almost surely, 2^55667537 is an apocalyptic number.

It is an amenable number.

55667537 is a deficient number, since it is larger than the sum of its proper divisors (6052015).

55667537 is a wasteful number, since it uses less digits than its factorization.

55667537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568.

The product of its digits is 661500, while the sum is 44.

The square root of 55667537 is about 7461.0680870771. The cubic root of 55667537 is about 381.8276156313.

The spelling of 55667537 in words is "fifty-five million, six hundred sixty-seven thousand, five hundred thirty-seven".