55469851 has 2 divisors, whose sum is σ = 55469852. Its totient is φ = 55469850.

The previous prime is 55469833. The next prime is 55469867. The reversal of 55469851 is 15896455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55469851 - 2¹⁷ = 55338779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55469798 and 55469807.

It is not a weakly prime, because it can be changed into another prime (55469891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27734925 + 27734926.

It is an arithmetic number, because the mean of its divisors is an integer number (27734926).

Almost surely, 2^55469851 is an apocalyptic number.

55469851 is a deficient number, since it is larger than the sum of its proper divisors (1).

55469851 is an equidigital number, since it uses as much as digits as its factorization.

55469851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 43.

The square root of 55469851 is about 7447.8084696104. The cubic root of 55469851 is about 381.3750987483.

The spelling of 55469851 in words is "fifty-five million, four hundred sixty-nine thousand, eight hundred fifty-one".