55454532 has 48 divisors (see below), whose sum is σ = 148283520. Its totient is φ = 15800832.

The previous prime is 55454519. The next prime is 55454533. The reversal of 55454532 is 23545455.

It is a junction number, because it is equal to n+sod(n) for n = 55454493 and 55454502.

It is not an unprimeable number, because it can be changed into a prime (55454533) 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, 42108 + ... + 43404.

It is an arithmetic number, because the mean of its divisors is an integer number (3089240).

Almost surely, 2^55454532 is an apocalyptic number.

It is an amenable number.

55454532 is an abundant number, since it is smaller than the sum of its proper divisors (92828988).

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

55454532 is a wasteful number, since it uses less digits than its factorization.

55454532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820 (or 1818 counting only the distinct ones).

The product of its digits is 60000, while the sum is 33.

The square root of 55454532 is about 7446.7799752645. The cubic root of 55454532 is about 381.3399876448.

Adding to 55454532 its reverse (23545455), we get a palindrome (78999987).

It can be divided in two parts, 5545453 and 2, that added together give a palindrome (5545455).

The spelling of 55454532 in words is "fifty-five million, four hundred fifty-four thousand, five hundred thirty-two".