54887957 has 2 divisors, whose sum is σ = 54887958. Its totient is φ = 54887956.

The previous prime is 54887893. The next prime is 54887969. The reversal of 54887957 is 75978845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53787556 + 1100401 = 7334^2 + 1049^2 .

It is a cyclic number.

It is not a de Polignac number, because 54887957 - 2⁶ = 54887893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54887899 and 54887908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54887057) 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, 27443978 + 27443979.

It is an arithmetic number, because the mean of its divisors is an integer number (27443979).

Almost surely, 2^54887957 is an apocalyptic number.

It is an amenable number.

54887957 is a deficient number, since it is larger than the sum of its proper divisors (1).

54887957 is an equidigital number, since it uses as much as digits as its factorization.

54887957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2822400, while the sum is 53.

The square root of 54887957 is about 7408.6406985357. The cubic root of 54887957 is about 380.0368316100.

The spelling of 54887957 in words is "fifty-four million, eight hundred eighty-seven thousand, nine hundred fifty-seven".