55871748 has 48 divisors (see below), whose sum is σ = 149856000. Its totient is φ = 17980704.

The previous prime is 55871743. The next prime is 55871771. The reversal of 55871748 is 84717855.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55871743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5788 + ... + 12051.

It is an arithmetic number, because the mean of its divisors is an integer number (3122000).

Almost surely, 2^55871748 is an apocalyptic number.

55871748 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

55871748 is an abundant number, since it is smaller than the sum of its proper divisors (93984252).

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

55871748 is a wasteful number, since it uses less digits than its factorization.

55871748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17881 (or 17873 counting only the distinct ones).

The product of its digits is 313600, while the sum is 45.

The square root of 55871748 is about 7474.7406643977. The cubic root of 55871748 is about 382.2939451493.

The spelling of 55871748 in words is "fifty-five million, eight hundred seventy-one thousand, seven hundred forty-eight".