55435512 has 32 divisors (see below), whose sum is σ = 151188480. Its totient is φ = 16798560.

The previous prime is 55435511. The next prime is 55435517. The reversal of 55435512 is 21553455.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55435512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55435511) 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, 104728 + ... + 105255.

It is an arithmetic number, because the mean of its divisors is an integer number (4724640).

Almost surely, 2^55435512 is an apocalyptic number.

It is an amenable number.

55435512 is an abundant number, since it is smaller than the sum of its proper divisors (95752968).

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

55435512 is a wasteful number, since it uses less digits than its factorization.

55435512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210003 (or 209999 counting only the distinct ones).

The product of its digits is 15000, while the sum is 30.

The square root of 55435512 is about 7445.5028037064. The cubic root of 55435512 is about 381.2963848607.

Adding to 55435512 its reverse (21553455), we get a palindrome (76988967).

The spelling of 55435512 in words is "fifty-five million, four hundred thirty-five thousand, five hundred twelve".