55285732 has 24 divisors (see below), whose sum is σ = 98907480. Its totient is φ = 27033600.

The previous prime is 55285729. The next prime is 55285739. The reversal of 55285732 is 23758255.

It can be written as a sum of positive squares in 4 ways, for example, as 16048036 + 39237696 = 4006^2 + 6264^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55285691 and 55285700.

It is not an unprimeable number, because it can be changed into a prime (55285739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33732 + ... + 35332.

It is an arithmetic number, because the mean of its divisors is an integer number (4121145).

Almost surely, 2^55285732 is an apocalyptic number.

It is an amenable number.

55285732 is a deficient number, since it is larger than the sum of its proper divisors (43621748).

55285732 is a wasteful number, since it uses less digits than its factorization.

55285732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791 (or 1789 counting only the distinct ones).

The product of its digits is 84000, while the sum is 37.

The square root of 55285732 is about 7435.4375795914. The cubic root of 55285732 is about 380.9526696555.

The spelling of 55285732 in words is "fifty-five million, two hundred eighty-five thousand, seven hundred thirty-two".