55281048 has 16 divisors (see below), whose sum is σ = 138202680. Its totient is φ = 18427008.

The previous prime is 55281041. The next prime is 55281049. The reversal of 55281048 is 84018255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55281041) 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, 1151665 + ... + 1151712.

Almost surely, 2^55281048 is an apocalyptic number.

It is an amenable number.

55281048 is an abundant number, since it is smaller than the sum of its proper divisors (82921632).

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

55281048 is a wasteful number, since it uses less digits than its factorization.

55281048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303386 (or 2303382 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 55281048 is about 7435.1225948198. The cubic root of 55281048 is about 380.9419108055.

The spelling of 55281048 in words is "fifty-five million, two hundred eighty-one thousand, forty-eight".