55563492 has 48 divisors (see below), whose sum is σ = 138966912. Its totient is φ = 17233920.

The previous prime is 55563461. The next prime is 55563493. The reversal of 55563492 is 29436555.

55563492 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

55563492 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 55563492.

It is not an unprimeable number, because it can be changed into a prime (55563493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7492 + ... + 12932.

It is an arithmetic number, because the mean of its divisors is an integer number (2895144).

Almost surely, 2^55563492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55563492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69483456).

55563492 is an abundant number, since it is smaller than the sum of its proper divisors (83403420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55563492 is a wasteful number, since it uses less digits than its factorization.

55563492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5508 (or 5506 counting only the distinct ones).

The product of its digits is 162000, while the sum is 39.

The square root of 55563492 is about 7454.0922988651. The cubic root of 55563492 is about 381.5895832413.

The spelling of 55563492 in words is "fifty-five million, five hundred sixty-three thousand, four hundred ninety-two".