55105038 has 12 divisors (see below), whose sum is σ = 119394288. Its totient is φ = 18368340.

The previous prime is 55105031. The next prime is 55105049. The reversal of 55105038 is 83050155.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55105031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1530678 + ... + 1530713.

It is an arithmetic number, because the mean of its divisors is an integer number (9949524).

Almost surely, 2^55105038 is an apocalyptic number.

55105038 is an abundant number, since it is smaller than the sum of its proper divisors (64289250).

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

55105038 is a wasteful number, since it uses less digits than its factorization.

55105038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061399 (or 3061396 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 55105038 is about 7423.2767697291. The cubic root of 55105038 is about 380.5371857729.

The spelling of 55105038 in words is "fifty-five million, one hundred five thousand, thirty-eight".