55612799 has 4 divisors (see below), whose sum is σ = 60668520. Its totient is φ = 50557080.

The previous prime is 55612789. The next prime is 55612811. The reversal of 55612799 is 99721655.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55612799 - 2⁴ = 55612783 is a prime.

It is a super-2 number, since 2×55612799² = 6185566825228802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55612789) 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, 2527844 + ... + 2527865.

It is an arithmetic number, because the mean of its divisors is an integer number (15167130).

Almost surely, 2^55612799 is an apocalyptic number.

55612799 is a deficient number, since it is larger than the sum of its proper divisors (5055721).

55612799 is a wasteful number, since it uses less digits than its factorization.

55612799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055720.

The product of its digits is 170100, while the sum is 44.

The square root of 55612799 is about 7457.3989433314. The cubic root of 55612799 is about 381.7024239703.

The spelling of 55612799 in words is "fifty-five million, six hundred twelve thousand, seven hundred ninety-nine".