54887873 has 2 divisors, whose sum is σ = 54887874. Its totient is φ = 54887872.

The previous prime is 54887851. The next prime is 54887879. The reversal of 54887873 is 37878845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54878464 + 9409 = 7408^2 + 97^2 .

It is a cyclic number.

It is not a de Polignac number, because 54887873 - 2⁶ = 54887809 is a prime.

It is not a weakly prime, because it can be changed into another prime (54887879) 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, 27443936 + 27443937.

It is an arithmetic number, because the mean of its divisors is an integer number (27443937).

Almost surely, 2^54887873 is an apocalyptic number.

It is an amenable number.

54887873 is a deficient number, since it is larger than the sum of its proper divisors (1).

54887873 is an equidigital number, since it uses as much as digits as its factorization.

54887873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1505280, while the sum is 50.

The square root of 54887873 is about 7408.6350294774. The cubic root of 54887873 is about 380.0366377417.

Subtracting from 54887873 its reverse (37878845), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 54887873 in words is "fifty-four million, eight hundred eighty-seven thousand, eight hundred seventy-three".