55711712 has 96 divisors (see below), whose sum is σ = 132378624. Its totient is φ = 22579200.

The previous prime is 55711687. The next prime is 55711739. The reversal of 55711712 is 21711755.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492968 + ... + 493080.

It is an arithmetic number, because the mean of its divisors is an integer number (1378944).

Almost surely, 2^55711712 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 55711712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66189312).

55711712 is an abundant number, since it is smaller than the sum of its proper divisors (76666912).

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

55711712 is a wasteful number, since it uses less digits than its factorization.

55711712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 224 counting only the distinct ones).

The product of its digits is 2450, while the sum is 29.

The square root of 55711712 is about 7464.0278670434. The cubic root of 55711712 is about 381.9285887546.

The spelling of 55711712 in words is "fifty-five million, seven hundred eleven thousand, seven hundred twelve".