55195725837901 has 4 divisors (see below), whose sum is σ = 60213519095904. Its totient is φ = 50177932579900.

The previous prime is 55195725837839. The next prime is 55195725837971. The reversal of 55195725837901 is 10973852759155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55195725837901 - 2¹³ = 55195725829709 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55195725837971) 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, 2508896628985 + ... + 2508896629006.

It is an arithmetic number, because the mean of its divisors is an integer number (15053379773976).

Almost surely, 2^{55195725837901} is an apocalyptic number.

It is an amenable number.

55195725837901 is a deficient number, since it is larger than the sum of its proper divisors (5017793258003).

55195725837901 is a wasteful number, since it uses less digits than its factorization.

55195725837901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017793258002.

The product of its (nonzero) digits is 119070000, while the sum is 67.

The spelling of 55195725837901 in words is "fifty-five trillion, one hundred ninety-five billion, seven hundred twenty-five million, eight hundred thirty-seven thousand, nine hundred one".