55412489 has 8 divisors (see below), whose sum is σ = 60886560. Its totient is φ = 50011200.

The previous prime is 55412477. The next prime is 55412491. The reversal of 55412489 is 98421455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55412489 - 2⁸ = 55412233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55412429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16592 + ... + 19649.

It is an arithmetic number, because the mean of its divisors is an integer number (7610820).

Almost surely, 2^55412489 is an apocalyptic number.

It is an amenable number.

55412489 is a deficient number, since it is larger than the sum of its proper divisors (5474071).

55412489 is a wasteful number, since it uses less digits than its factorization.

55412489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36391.

The product of its digits is 57600, while the sum is 38.

The square root of 55412489 is about 7443.9565420548. The cubic root of 55412489 is about 381.2435919733.

The spelling of 55412489 in words is "fifty-five million, four hundred twelve thousand, four hundred eighty-nine".