55680632 has 16 divisors (see below), whose sum is σ = 119315760. Its totient is φ = 23863104.

The previous prime is 55680623. The next prime is 55680641. The reversal of 55680632 is 23608655.

It is an interprime number because it is at equal distance from previous prime (55680623) and next prime (55680641).

It is a junction number, because it is equal to n+sod(n) for n = 55680592 and 55680601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497093 + ... + 497204.

It is an arithmetic number, because the mean of its divisors is an integer number (7457235).

Almost surely, 2^55680632 is an apocalyptic number.

It is an amenable number.

55680632 is an abundant number, since it is smaller than the sum of its proper divisors (63635128).

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

55680632 is a wasteful number, since it uses less digits than its factorization.

55680632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994310 (or 994306 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 55680632 is about 7461.9455907960. The cubic root of 55680632 is about 381.8575531310.

The spelling of 55680632 in words is "fifty-five million, six hundred eighty thousand, six hundred thirty-two".