55730038 has 16 divisors (see below), whose sum is σ = 102886560. Its totient is φ = 22046976.

The previous prime is 55730011. The next prime is 55730041. The reversal of 55730038 is 83003755.

It is a junction number, because it is equal to n+sod(n) for n = 55729991 and 55730009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152923 + ... + 153286.

It is an arithmetic number, because the mean of its divisors is an integer number (6430410).

Almost surely, 2^55730038 is an apocalyptic number.

55730038 is a deficient number, since it is larger than the sum of its proper divisors (47156522).

55730038 is a wasteful number, since it uses less digits than its factorization.

55730038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306231.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 55730038 is about 7465.2553874600. The cubic root of 55730038 is about 381.9704617932.

The spelling of 55730038 in words is "fifty-five million, seven hundred thirty thousand, thirty-eight".