55100816 has 20 divisors (see below), whose sum is σ = 106874112. Its totient is φ = 27520416.

The previous prime is 55100809. The next prime is 55100819. The reversal of 55100816 is 61800155.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55100819) 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, 24641 + ... + 26783.

Almost surely, 2^55100816 is an apocalyptic number.

55100816 is the 4286-th octagonal number.

It is an amenable number.

55100816 is a deficient number, since it is larger than the sum of its proper divisors (51773296).

55100816 is a wasteful number, since it uses less digits than its factorization.

55100816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3758 (or 3752 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 55100816 is about 7422.9923885183. The cubic root of 55100816 is about 380.5274669457.

The spelling of 55100816 in words is "fifty-five million, one hundred thousand, eight hundred sixteen".