55083740 has 24 divisors (see below), whose sum is σ = 122481072. Its totient is φ = 20737280.

The previous prime is 55083737. The next prime is 55083751. The reversal of 55083740 is 4738055.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55083697 and 55083706.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80666 + ... + 81345.

It is an arithmetic number, because the mean of its divisors is an integer number (5103378).

Almost surely, 2^55083740 is an apocalyptic number.

It is an amenable number.

55083740 is an abundant number, since it is smaller than the sum of its proper divisors (67397332).

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

55083740 is a wasteful number, since it uses less digits than its factorization.

55083740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162037 (or 162035 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 55083740 is about 7421.8420894007. The cubic root of 55083740 is about 380.4881538051.

The spelling of 55083740 in words is "fifty-five million, eighty-three thousand, seven hundred forty".