55767712 has 96 divisors (see below), whose sum is σ = 147498624. Its totient is φ = 20044800.

The previous prime is 55767707. The next prime is 55767727. The reversal of 55767712 is 21776755.

It is a super-2 number, since 2×55767712² = 6220075403429888, which contains 22 as substring.

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, 31162 + ... + 32902.

It is an arithmetic number, because the mean of its divisors is an integer number (1536444).

Almost surely, 2^55767712 is an apocalyptic number.

55767712 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55767712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73749312).

55767712 is an abundant number, since it is smaller than the sum of its proper divisors (91730912).

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

55767712 is a wasteful number, since it uses less digits than its factorization.

55767712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782 (or 1774 counting only the distinct ones).

The product of its digits is 102900, while the sum is 40.

The square root of 55767712 is about 7467.7782505910. The cubic root of 55767712 is about 382.0565142121.

It can be divided in two parts, 55 and 767712, that added together give a palindrome (767767).

The spelling of 55767712 in words is "fifty-five million, seven hundred sixty-seven thousand, seven hundred twelve".