55806038 has 16 divisors (see below), whose sum is σ = 84870720. Its totient is φ = 27518400.

The previous prime is 55806031. The next prime is 55806041. The reversal of 55806038 is 83060855.

It is a super-2 number, since 2×55806038² = 6228627754514888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55805989 and 55806007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55806031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60803 + ... + 61713.

It is an arithmetic number, because the mean of its divisors is an integer number (5304420).

Almost surely, 2^55806038 is an apocalyptic number.

55806038 is a deficient number, since it is larger than the sum of its proper divisors (29064682).

55806038 is a wasteful number, since it uses less digits than its factorization.

55806038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 55806038 is about 7470.3439010530. The cubic root of 55806038 is about 382.1440161277.

The spelling of 55806038 in words is "fifty-five million, eight hundred six thousand, thirty-eight".