55265131 has 2 divisors, whose sum is σ = 55265132. Its totient is φ = 55265130.

The previous prime is 55265107. The next prime is 55265153. The reversal of 55265131 is 13156255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55265131 - 2¹³ = 55256939 is a prime.

It is a super-2 number, since 2×55265131² = 6108469408894322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55265131.

It is not a weakly prime, because it can be changed into another prime (55265731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27632565 + 27632566.

It is an arithmetic number, because the mean of its divisors is an integer number (27632566).

Almost surely, 2^55265131 is an apocalyptic number.

55265131 is a deficient number, since it is larger than the sum of its proper divisors (1).

55265131 is an equidigital number, since it uses as much as digits as its factorization.

55265131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4500, while the sum is 28.

The square root of 55265131 is about 7434.0521251872. The cubic root of 55265131 is about 380.9053459268.

The spelling of 55265131 in words is "fifty-five million, two hundred sixty-five thousand, one hundred thirty-one".