55890412 has 12 divisors (see below), whose sum is σ = 97957440. Its totient is φ = 27902576.

The previous prime is 55890403. The next prime is 55890413. The reversal of 55890412 is 21409855.

It is not an unprimeable number, because it can be changed into a prime (55890413) 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, 7612 + ... + 13027.

It is an arithmetic number, because the mean of its divisors is an integer number (8163120).

Almost surely, 2^55890412 is an apocalyptic number.

It is an amenable number.

55890412 is a deficient number, since it is larger than the sum of its proper divisors (42067028).

55890412 is a wasteful number, since it uses less digits than its factorization.

55890412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21320 (or 21318 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 55890412 is about 7475.9890315596. The cubic root of 55890412 is about 382.3365089381.

The spelling of 55890412 in words is "fifty-five million, eight hundred ninety thousand, four hundred twelve".