55522032 has 20 divisors (see below), whose sum is σ = 143432040. Its totient is φ = 18507328.

The previous prime is 55522031. The next prime is 55522057. The reversal of 55522032 is 23022555.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 55521993 and 55522011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55522031) 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, 578307 + ... + 578402.

It is an arithmetic number, because the mean of its divisors is an integer number (7171602).

Almost surely, 2^55522032 is an apocalyptic number.

It is an amenable number.

55522032 is an abundant number, since it is smaller than the sum of its proper divisors (87910008).

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

55522032 is a wasteful number, since it uses less digits than its factorization.

55522032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156720 (or 1156714 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 55522032 is about 7451.3107571755. The cubic root of 55522032 is about 381.4946489587.

Adding to 55522032 its reverse (23022555), we get a palindrome (78544587).

The spelling of 55522032 in words is "fifty-five million, five hundred twenty-two thousand, thirty-two".