55112650 has 12 divisors (see below), whose sum is σ = 102509622. Its totient is φ = 22045040.

The previous prime is 55112639. The next prime is 55112653. The reversal of 55112650 is 5621155.

It can be written as a sum of positive squares in 3 ways, for example, as 48594841 + 6517809 = 6971^2 + 2553^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (55112653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 551077 + ... + 551176.

Almost surely, 2^55112650 is an apocalyptic number.

55112650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55112650 is a deficient number, since it is larger than the sum of its proper divisors (47396972).

55112650 is a wasteful number, since it uses less digits than its factorization.

55112650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102265 (or 1102260 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 55112650 is about 7423.7894636095. The cubic root of 55112650 is about 380.5547069519.

The spelling of 55112650 in words is "fifty-five million, one hundred twelve thousand, six hundred fifty".