55802550503 has 8 divisors (see below), whose sum is σ = 64156227072. Its totient is φ = 47544344856.

The previous prime is 55802550469. The next prime is 55802550533. The reversal of 55802550503 is 30505520855.

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

It is a cyclic number.

It is not a de Polignac number, because 55802550503 - 2⁸ = 55802550247 is a prime.

It is a super-2 number, since 2×55802550503² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55802550533) 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, 23866475 + ... + 23868812.

It is an arithmetic number, because the mean of its divisors is an integer number (8019528384).

Almost surely, 2^55802550503 is an apocalyptic number.

55802550503 is a deficient number, since it is larger than the sum of its proper divisors (8353676569).

55802550503 is a wasteful number, since it uses less digits than its factorization.

55802550503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47735461.

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 55802550503 in words is "fifty-five billion, eight hundred two million, five hundred fifty thousand, five hundred three".