55161657151 has 8 divisors (see below), whose sum is σ = 55207430784. Its totient is φ = 55115907480.

The previous prime is 55161657077. The next prime is 55161657167. The reversal of 55161657151 is 15175616155.

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 55161657151 - 2¹⁵ = 55161624383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55161657098 and 55161657107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55161657751) 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, 10237080 + ... + 10242466.

It is an arithmetic number, because the mean of its divisors is an integer number (6900928848).

Almost surely, 2^55161657151 is an apocalyptic number.

55161657151 is a deficient number, since it is larger than the sum of its proper divisors (45773633).

55161657151 is a wasteful number, since it uses less digits than its factorization.

55161657151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11981.

The product of its digits is 157500, while the sum is 43.

The spelling of 55161657151 in words is "fifty-five billion, one hundred sixty-one million, six hundred fifty-seven thousand, one hundred fifty-one".