55552724 has 6 divisors (see below), whose sum is σ = 97217274. Its totient is φ = 27776360.

The previous prime is 55552709. The next prime is 55552729. The reversal of 55552724 is 42725555.

It can be written as a sum of positive squares in only one way, i.e., 45427600 + 10125124 = 6740^2 + 3182^2 .

It is a super-2 number, since 2×55552724² = 6172210287640352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55552729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6944087 + ... + 6944094.

It is an arithmetic number, because the mean of its divisors is an integer number (16202879).

Almost surely, 2^55552724 is an apocalyptic number.

It is an amenable number.

55552724 is a deficient number, since it is larger than the sum of its proper divisors (41664550).

55552724 is a wasteful number, since it uses less digits than its factorization.

55552724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13888185 (or 13888183 counting only the distinct ones).

The product of its digits is 70000, while the sum is 35.

The square root of 55552724 is about 7453.3699760578. The cubic root of 55552724 is about 381.5649314304.

The spelling of 55552724 in words is "fifty-five million, five hundred fifty-two thousand, seven hundred twenty-four".