55534512 has 160 divisors (see below), whose sum is σ = 173560320. Its totient is φ = 15093760.

The previous prime is 55534499. The next prime is 55534579. The reversal of 55534512 is 21543555.

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 55534512.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206314 + ... + 206582.

It is an arithmetic number, because the mean of its divisors is an integer number (1084752).

Almost surely, 2^55534512 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 55534512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86780160).

55534512 is an abundant number, since it is smaller than the sum of its proper divisors (118025808).

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

55534512 is a wasteful number, since it uses less digits than its factorization.

55534512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 325 counting only the distinct ones).

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

The square root of 55534512 is about 7452.1481466756. The cubic root of 55534512 is about 381.5232303847.

The spelling of 55534512 in words is "fifty-five million, five hundred thirty-four thousand, five hundred twelve".