55050732 has 96 divisors (see below), whose sum is σ = 157248000. Its totient is φ = 16516800.

The previous prime is 55050691. The next prime is 55050739. The reversal of 55050732 is 23705055.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 55050696 and 55050705.

It is not an unprimeable number, because it can be changed into a prime (55050739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176857 + ... + 177167.

It is an arithmetic number, because the mean of its divisors is an integer number (1638000).

Almost surely, 2^55050732 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 55050732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78624000).

55050732 is an abundant number, since it is smaller than the sum of its proper divisors (102197268).

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

55050732 is a wasteful number, since it uses less digits than its factorization.

55050732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 55050732 is about 7419.6180494686. The cubic root of 55050732 is about 380.4121382547.

Adding to 55050732 its reverse (23705055), we get a palindrome (78755787).

The spelling of 55050732 in words is "fifty-five million, fifty thousand, seven hundred thirty-two".