55002432 has 56 divisors (see below), whose sum is σ = 150237952. Its totient is φ = 17740800.

The previous prime is 55002421. The next prime is 55002433. The reversal of 55002432 is 23420055.

It is a junction number, because it is equal to n+sod(n) for n = 55002399 and 55002408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55002433) 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, 1332 + ... + 10572.

Almost surely, 2^55002432 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 55002432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75118976).

55002432 is an abundant number, since it is smaller than the sum of its proper divisors (95235520).

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

55002432 is a wasteful number, since it uses less digits than its factorization.

55002432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9287 (or 9277 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 55002432 is about 7416.3624506897. The cubic root of 55002432 is about 380.3008513150.

Adding to 55002432 its reverse (23420055), we get a palindrome (78422487).

The spelling of 55002432 in words is "fifty-five million, two thousand, four hundred thirty-two".