55551243351 has 8 divisors (see below), whose sum is σ = 75465840240. Its totient is φ = 36335404352.

The previous prime is 55551243343. The next prime is 55551243353. The reversal of 55551243351 is 15334215555.

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 55551243351 - 2³ = 55551243343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55551243353) 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, 174689286 + ... + 174689603.

It is an arithmetic number, because the mean of its divisors is an integer number (9433230030).

Almost surely, 2^55551243351 is an apocalyptic number.

55551243351 is a deficient number, since it is larger than the sum of its proper divisors (19914596889).

55551243351 is a wasteful number, since it uses less digits than its factorization.

55551243351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349378945.

The product of its digits is 225000, while the sum is 39.

The spelling of 55551243351 in words is "fifty-five billion, five hundred fifty-one million, two hundred forty-three thousand, three hundred fifty-one".