55269251 has 2 divisors, whose sum is σ = 55269252. Its totient is φ = 55269250.

The previous prime is 55269241. The next prime is 55269259. The reversal of 55269251 is 15296255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55269251 - 2¹⁴ = 55252867 is a prime.

It is a super-2 number, since 2×55269251² = 6109380212202002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55269259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27634625 + 27634626.

It is an arithmetic number, because the mean of its divisors is an integer number (27634626).

Almost surely, 2^55269251 is an apocalyptic number.

55269251 is a deficient number, since it is larger than the sum of its proper divisors (1).

55269251 is an equidigital number, since it uses as much as digits as its factorization.

55269251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 35.

The square root of 55269251 is about 7434.3292232723. The cubic root of 55269251 is about 380.9148111538.

The spelling of 55269251 in words is "fifty-five million, two hundred sixty-nine thousand, two hundred fifty-one".