55888957 has 2 divisors, whose sum is σ = 55888958. Its totient is φ = 55888956.

The previous prime is 55888927. The next prime is 55889021. The reversal of 55888957 is 75988855.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49406841 + 6482116 = 7029^2 + 2546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55888957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55888898 and 55888907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55888927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27944478 + 27944479.

It is an arithmetic number, because the mean of its divisors is an integer number (27944479).

Almost surely, 2^55888957 is an apocalyptic number.

It is an amenable number.

55888957 is a deficient number, since it is larger than the sum of its proper divisors (1).

55888957 is an equidigital number, since it uses as much as digits as its factorization.

55888957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032000, while the sum is 55.

The square root of 55888957 is about 7475.8917193871. The cubic root of 55888957 is about 382.3331911093. Note that the first 3 decimals are identical.

The spelling of 55888957 in words is "fifty-five million, eight hundred eighty-eight thousand, nine hundred fifty-seven".