55380038 has 8 divisors (see below), whose sum is σ = 94937232. Its totient is φ = 23734296.

The previous prime is 55380019. The next prime is 55380047. The reversal of 55380038 is 83008355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 55379986 and 55380013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1977845 + ... + 1977872.

It is an arithmetic number, because the mean of its divisors is an integer number (11867154).

Almost surely, 2^55380038 is an apocalyptic number.

55380038 is a deficient number, since it is larger than the sum of its proper divisors (39557194).

55380038 is a wasteful number, since it uses less digits than its factorization.

55380038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3955726.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 55380038 is about 7441.7765352099. The cubic root of 55380038 is about 381.1691553743.

The spelling of 55380038 in words is "fifty-five million, three hundred eighty thousand, thirty-eight".