55088552 has 8 divisors (see below), whose sum is σ = 103291050. Its totient is φ = 27544272.

The previous prime is 55088549. The next prime is 55088557. The reversal of 55088552 is 25588055.

It can be written as a sum of positive squares in only one way, i.e., 54671236 + 417316 = 7394^2 + 646^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×55088552² = 6069497122913408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55088557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3443027 + ... + 3443042.

Almost surely, 2^55088552 is an apocalyptic number.

It is an amenable number.

55088552 is a deficient number, since it is larger than the sum of its proper divisors (48202498).

55088552 is a wasteful number, since it uses less digits than its factorization.

55088552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6886075 (or 6886071 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 38.

The square root of 55088552 is about 7422.1662606007. The cubic root of 55088552 is about 380.4992330315.

The spelling of 55088552 in words is "fifty-five million, eighty-eight thousand, five hundred fifty-two".