55716672 has 224 divisors, whose sum is σ = 177905664. Its totient is φ = 15206400.

The previous prime is 55716671. The next prime is 55716673. The reversal of 55716672 is 27661755.

It is an interprime number because it is at equal distance from previous prime (55716671) and next prime (55716673).

It is a self number, because there is not a number n which added to its sum of digits gives 55716672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55716671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1505838 + ... + 1505874.

Almost surely, 2^55716672 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 55716672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88952832).

55716672 is an abundant number, since it is smaller than the sum of its proper divisors (122188992).

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

55716672 is a wasteful number, since it uses less digits than its factorization.

55716672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 107 counting only the distinct ones).

The product of its digits is 88200, while the sum is 39.

The square root of 55716672 is about 7464.3601199299. The cubic root of 55716672 is about 381.9399227543.

The spelling of 55716672 in words is "fifty-five million, seven hundred sixteen thousand, six hundred seventy-two".