55798612 has 12 divisors (see below), whose sum is σ = 99490356. Its totient is φ = 27372800.

The previous prime is 55798597. The next prime is 55798619. The reversal of 55798612 is 21689755.

It can be written as a sum of positive squares in 2 ways, for example, as 18783556 + 37015056 = 4334^2 + 6084^2 .

It is a super-2 number, since 2×55798612² = 6226970202253088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55798619) 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, 131389 + ... + 131812.

It is an arithmetic number, because the mean of its divisors is an integer number (8290863).

Almost surely, 2^55798612 is an apocalyptic number.

It is an amenable number.

55798612 is a deficient number, since it is larger than the sum of its proper divisors (43691744).

55798612 is a wasteful number, since it uses less digits than its factorization.

55798612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263258 (or 263256 counting only the distinct ones).

The product of its digits is 151200, while the sum is 43.

The square root of 55798612 is about 7469.8468525131. The cubic root of 55798612 is about 382.1270649909.

The spelling of 55798612 in words is "fifty-five million, seven hundred ninety-eight thousand, six hundred twelve".