55525277157 has 8 divisors (see below), whose sum is σ = 84609946176. Its totient is φ = 31728729792.

The previous prime is 55525277149. The next prime is 55525277207. The reversal of 55525277157 is 75177252555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55525277157 - 2³ = 55525277149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55525277557) 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, 1322030388 + ... + 1322030429.

It is an arithmetic number, because the mean of its divisors is an integer number (10576243272).

Almost surely, 2^55525277157 is an apocalyptic number.

It is an amenable number.

55525277157 is a deficient number, since it is larger than the sum of its proper divisors (29084669019).

55525277157 is a wasteful number, since it uses less digits than its factorization.

55525277157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644060827.

The product of its digits is 4287500, while the sum is 51.

The spelling of 55525277157 in words is "fifty-five billion, five hundred twenty-five million, two hundred seventy-seven thousand, one hundred fifty-seven".