55020052 has 6 divisors (see below), whose sum is σ = 96285098. Its totient is φ = 27510024.

The previous prime is 55020023. The next prime is 55020061. The reversal of 55020052 is 25002055.

It can be written as a sum of positive squares in only one way, i.e., 27520516 + 27499536 = 5246^2 + 5244^2 .

It is a super-2 number, since 2×55020052² = 6054412244165408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 6877503 + ... + 6877510.

Almost surely, 2^55020052 is an apocalyptic number.

It is an amenable number.

55020052 is a deficient number, since it is larger than the sum of its proper divisors (41265046).

55020052 is a wasteful number, since it uses less digits than its factorization.

55020052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13755017 (or 13755015 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 55020052 is about 7417.5502694623. The cubic root of 55020052 is about 380.3414567048.

It can be divided in two parts, 550 and 20052, that added together give a palindrome (20602).

The spelling of 55020052 in words is "fifty-five million, twenty thousand, fifty-two".