55037623 has 4 divisors (see below), whose sum is σ = 57934360. Its totient is φ = 52140888.

The previous prime is 55037603. The next prime is 55037639. The reversal of 55037623 is 32673055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32673055 = 5 ⋅6534611.

It is a cyclic number.

It is not a de Polignac number, because 55037623 - 2⁹ = 55037111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55037603) 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 3 ways as a sum of consecutive naturals, for example, 1448340 + ... + 1448377.

It is an arithmetic number, because the mean of its divisors is an integer number (14483590).

Almost surely, 2^55037623 is an apocalyptic number.

55037623 is a deficient number, since it is larger than the sum of its proper divisors (2896737).

55037623 is a wasteful number, since it uses less digits than its factorization.

55037623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896736.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 55037623 is about 7418.7345956032. The cubic root of 55037623 is about 380.3819405418.

The spelling of 55037623 in words is "fifty-five million, thirty-seven thousand, six hundred twenty-three".