55550537 has 4 divisors (see below), whose sum is σ = 63486336. Its totient is φ = 47614740.

The previous prime is 55550527. The next prime is 55550557. The reversal of 55550537 is 73505555.

55550537 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.

It is a cyclic number.

It is not a de Polignac number, because 55550537 - 2¹⁰ = 55549513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55550497 and 55550506.

It is not an unprimeable number, because it can be changed into a prime (55550527) 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, 3967889 + ... + 3967902.

It is an arithmetic number, because the mean of its divisors is an integer number (15871584).

Almost surely, 2^55550537 is an apocalyptic number.

It is an amenable number.

55550537 is a deficient number, since it is larger than the sum of its proper divisors (7935799).

55550537 is an equidigital number, since it uses as much as digits as its factorization.

55550537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7935798.

The product of its (nonzero) digits is 65625, while the sum is 35.

The square root of 55550537 is about 7453.2232624550. The cubic root of 55550537 is about 381.5599242144.

The spelling of 55550537 in words is "fifty-five million, five hundred fifty thousand, five hundred thirty-seven".