55544051 has 2 divisors, whose sum is σ = 55544052. Its totient is φ = 55544050.

The previous prime is 55544023. The next prime is 55544059. The reversal of 55544051 is 15044555.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55544051 - 2¹⁸ = 55281907 is a prime.

It is not a weakly prime, because it can be changed into another prime (55544059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27772025 + 27772026.

It is an arithmetic number, because the mean of its divisors is an integer number (27772026).

Almost surely, 2^55544051 is an apocalyptic number.

55544051 is a deficient number, since it is larger than the sum of its proper divisors (1).

55544051 is an equidigital number, since it uses as much as digits as its factorization.

55544051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 55544051 is about 7452.7881359931. The cubic root of 55544051 is about 381.5450735089.

The spelling of 55544051 in words is "fifty-five million, five hundred forty-four thousand, fifty-one".