55156105157 has 8 divisors (see below), whose sum is σ = 58061213760. Its totient is φ = 52251212160.

The previous prime is 55156105099. The next prime is 55156105181. The reversal of 55156105157 is 75150165155.

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

It is a cyclic number.

It is not a de Polignac number, because 55156105157 - 2³² = 50861137861 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 (55156101157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973973 + ... + 1029045.

It is an arithmetic number, because the mean of its divisors is an integer number (7257651720).

Almost surely, 2^55156105157 is an apocalyptic number.

It is an amenable number.

55156105157 is a deficient number, since it is larger than the sum of its proper divisors (2905108603).

55156105157 is a wasteful number, since it uses less digits than its factorization.

55156105157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107803.

The product of its (nonzero) digits is 131250, while the sum is 41.

The spelling of 55156105157 in words is "fifty-five billion, one hundred fifty-six million, one hundred five thousand, one hundred fifty-seven".