55503092251 has 4 divisors (see below), whose sum is σ = 55508440000. Its totient is φ = 55497744504.

The previous prime is 55503092233. The next prime is 55503092263. The reversal of 55503092251 is 15229030555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55503092251 - 2¹⁷ = 55502961179 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55503092251.

It is not an unprimeable number, because it can be changed into a prime (55503092221) 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, 2658276 + ... + 2679073.

It is an arithmetic number, because the mean of its divisors is an integer number (13877110000).

Almost surely, 2^55503092251 is an apocalyptic number.

55503092251 is a deficient number, since it is larger than the sum of its proper divisors (5347749).

55503092251 is a wasteful number, since it uses less digits than its factorization.

55503092251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5347748.

The product of its (nonzero) digits is 67500, while the sum is 37.

The spelling of 55503092251 in words is "fifty-five billion, five hundred three million, ninety-two thousand, two hundred fifty-one".