55261204 has 6 divisors (see below), whose sum is σ = 96707114. Its totient is φ = 27630600.

The previous prime is 55261201. The next prime is 55261207. The reversal of 55261204 is 40216255.

It is an interprime number because it is at equal distance from previous prime (55261201) and next prime (55261207).

It can be written as a sum of positive squares in only one way, i.e., 52707600 + 2553604 = 7260^2 + 1598^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55261201) 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, 6907647 + ... + 6907654.

Almost surely, 2^55261204 is an apocalyptic number.

It is an amenable number.

55261204 is a deficient number, since it is larger than the sum of its proper divisors (41445910).

55261204 is a wasteful number, since it uses less digits than its factorization.

55261204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13815305 (or 13815303 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 55261204 is about 7433.7879980532. The cubic root of 55261204 is about 380.8963236573.

Adding to 55261204 its reverse (40216255), we get a palindrome (95477459).

The spelling of 55261204 in words is "fifty-five million, two hundred sixty-one thousand, two hundred four".