55673340 has 48 divisors (see below), whose sum is σ = 162667008. Its totient is φ = 14200384.

The previous prime is 55673311. The next prime is 55673341. The reversal of 55673340 is 4337655.

55673340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55673341) 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, 18792 + ... + 21551.

It is an arithmetic number, because the mean of its divisors is an integer number (3388896).

Almost surely, 2^55673340 is an apocalyptic number.

It is an amenable number.

55673340 is an abundant number, since it is smaller than the sum of its proper divisors (106993668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55673340 is a wasteful number, since it uses less digits than its factorization.

55673340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40378 (or 40376 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 55673340 is about 7461.4569622829. The cubic root of 55673340 is about 381.8408829009.

The spelling of 55673340 in words is "fifty-five million, six hundred seventy-three thousand, three hundred forty".