55054035551 has 4 divisors (see below), whose sum is σ = 56952450600. Its totient is φ = 53155620504.

The previous prime is 55054035481. The next prime is 55054035607. The reversal of 55054035551 is 15553045055.

It is a happy number.

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 55054035551 - 2²² = 55049841247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55054035451) 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, 949207481 + ... + 949207538.

It is an arithmetic number, because the mean of its divisors is an integer number (14238112650).

Almost surely, 2^55054035551 is an apocalyptic number.

55054035551 is a deficient number, since it is larger than the sum of its proper divisors (1898415049).

55054035551 is a wasteful number, since it uses less digits than its factorization.

55054035551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898415048.

The product of its (nonzero) digits is 187500, while the sum is 38.

The spelling of 55054035551 in words is "fifty-five billion, fifty-four million, thirty-five thousand, five hundred fifty-one".