55103558 has 8 divisors (see below), whose sum is σ = 83458128. Its totient is φ = 27284184.

The previous prime is 55103551. The next prime is 55103621. The reversal of 55103558 is 85530155.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55103551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133541 + ... + 133952.

It is an arithmetic number, because the mean of its divisors is an integer number (10432266).

Almost surely, 2^55103558 is an apocalyptic number.

55103558 is a deficient number, since it is larger than the sum of its proper divisors (28354570).

55103558 is a wasteful number, since it uses less digits than its factorization.

55103558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267598.

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 55103558 is about 7423.1770826244. The cubic root of 55103558 is about 380.5337789454.

The spelling of 55103558 in words is "fifty-five million, one hundred three thousand, five hundred fifty-eight".