55140041251 has 4 divisors (see below), whose sum is σ = 55143409072. Its totient is φ = 55136673432.

The previous prime is 55140041221. The next prime is 55140041267. The reversal of 55140041251 is 15214004155.

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 55140041251 - 2⁵ = 55140041219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55140041221) 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, 1659231 + ... + 1692136.

It is an arithmetic number, because the mean of its divisors is an integer number (13785852268).

Almost surely, 2^55140041251 is an apocalyptic number.

55140041251 is a deficient number, since it is larger than the sum of its proper divisors (3367821).

55140041251 is a wasteful number, since it uses less digits than its factorization.

55140041251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367820.

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 55140041251 in words is "fifty-five billion, one hundred forty million, forty-one thousand, two hundred fifty-one".