56951129 has 2 divisors, whose sum is σ = 56951130. Its totient is φ = 56951128.

The previous prime is 56951093. The next prime is 56951131. The reversal of 56951129 is 92115965.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34245904 + 22705225 = 5852^2 + 4765^2 .

It is a cyclic number.

It is not a de Polignac number, because 56951129 - 2¹⁶ = 56885593 is a prime.

It is a Sophie Germain prime.

Together with 56951131, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 56951129 parts by 10672 straight cuts.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56951092 and 56951101.

It is not a weakly prime, because it can be changed into another prime (56951149) 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, 28475564 + 28475565.

It is an arithmetic number, because the mean of its divisors is an integer number (28475565).

Almost surely, 2^56951129 is an apocalyptic number.

It is an amenable number.

56951129 is a deficient number, since it is larger than the sum of its proper divisors (1).

56951129 is an equidigital number, since it uses as much as digits as its factorization.

56951129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 38.

The square root of 56951129 is about 7546.5971801866. The cubic root of 56951129 is about 384.7400933167.

The spelling of 56951129 in words is "fifty-six million, nine hundred fifty-one thousand, one hundred twenty-nine".