55825648 has 20 divisors (see below), whose sum is σ = 113855560. Its totient is φ = 26443584.

The previous prime is 55825643. The next prime is 55825657. The reversal of 55825648 is 84652855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55825643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91515 + ... + 92122.

It is an arithmetic number, because the mean of its divisors is an integer number (5692778).

Almost surely, 2^55825648 is an apocalyptic number.

It is an amenable number.

55825648 is an abundant number, since it is smaller than the sum of its proper divisors (58029912).

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

55825648 is a wasteful number, since it uses less digits than its factorization.

55825648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183664 (or 183658 counting only the distinct ones).

The product of its digits is 384000, while the sum is 43.

The square root of 55825648 is about 7471.6563090121. The cubic root of 55825648 is about 382.1887721363.

The spelling of 55825648 in words is "fifty-five million, eight hundred twenty-five thousand, six hundred forty-eight".