55103436 has 24 divisors (see below), whose sum is σ = 142861040. Its totient is φ = 18367776.

The previous prime is 55103431. The next prime is 55103437. The reversal of 55103436 is 63430155.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (55103431) 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, 255001 + ... + 255216.

Almost surely, 2^55103436 is an apocalyptic number.

It is an amenable number.

55103436 is an abundant number, since it is smaller than the sum of its proper divisors (87757604).

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

55103436 is a wasteful number, since it uses less digits than its factorization.

55103436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510230 (or 510222 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 55103436 is about 7423.1688651141. The cubic root of 55103436 is about 380.5334981096.

The spelling of 55103436 in words is "fifty-five million, one hundred three thousand, four hundred thirty-six".