55100146 has 16 divisors (see below), whose sum is σ = 85517208. Its totient is φ = 26608000.

The previous prime is 55100081. The next prime is 55100153. The reversal of 55100146 is 64100155.

It can be written as a sum of positive squares in 4 ways, for example, as 32433025 + 22667121 = 5695^2 + 4761^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4956 + ... + 11608.

Almost surely, 2^55100146 is an apocalyptic number.

55100146 is a deficient number, since it is larger than the sum of its proper divisors (30417062).

55100146 is a wasteful number, since it uses less digits than its factorization.

55100146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6797.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 55100146 is about 7422.9472583334. The cubic root of 55100146 is about 380.5259245945.

Subtracting 55100146 from its reverse (64100155), we obtain a palindrome (9000009).

The spelling of 55100146 in words is "fifty-five million, one hundred thousand, one hundred forty-six".