55161016 has 16 divisors (see below), whose sum is σ = 106993800. Its totient is φ = 26629344.

The previous prime is 55161013. The next prime is 55161037. The reversal of 55161016 is 61016155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55161011) 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, 118650 + ... + 119113.

Almost surely, 2^55161016 is an apocalyptic number.

It is an amenable number.

55161016 is a deficient number, since it is larger than the sum of its proper divisors (51832784).

55161016 is a wasteful number, since it uses less digits than its factorization.

55161016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237798 (or 237794 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 55161016 is about 7427.0462500243. The cubic root of 55161016 is about 380.6659973563.

The spelling of 55161016 in words is "fifty-five million, one hundred sixty-one thousand, sixteen".