55110514551 has 4 divisors (see below), whose sum is σ = 73480686072. Its totient is φ = 36740343032.

The previous prime is 55110514447. The next prime is 55110514607. The reversal of 55110514551 is 15541501155.

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 55110514551 - 2¹⁰ = 55110513527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55110514651) 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, 9185085756 + ... + 9185085761.

It is an arithmetic number, because the mean of its divisors is an integer number (18370171518).

Almost surely, 2^55110514551 is an apocalyptic number.

55110514551 is a deficient number, since it is larger than the sum of its proper divisors (18370171521).

55110514551 is a wasteful number, since it uses less digits than its factorization.

55110514551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18370171520.

The product of its (nonzero) digits is 12500, while the sum is 33.

The spelling of 55110514551 in words is "fifty-five billion, one hundred ten million, five hundred fourteen thousand, five hundred fifty-one".