5451355957 has 4 divisors (see below), whose sum is σ = 5526032140. Its totient is φ = 5376679776.

The previous prime is 5451355937. The next prime is 5451355961. The reversal of 5451355957 is 7595531545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3824927716 + 1626428241 = 61846^2 + 40329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5451355957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5451355957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451355937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37337982 + ... + 37338127.

It is an arithmetic number, because the mean of its divisors is an integer number (1381508035).

Almost surely, 2^5451355957 is an apocalyptic number.

It is an amenable number.

5451355957 is a deficient number, since it is larger than the sum of its proper divisors (74676183).

5451355957 is an equidigital number, since it uses as much as digits as its factorization.

5451355957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74676182.

The product of its digits is 2362500, while the sum is 49.

The square root of 5451355957 is about 73833.2984296381. The cubic root of 5451355957 is about 1759.9547979309.

The spelling of 5451355957 in words is "five billion, four hundred fifty-one million, three hundred fifty-five thousand, nine hundred fifty-seven".