5256891455 has 16 divisors (see below), whose sum is σ = 6336594144. Its totient is φ = 4186675200.

The previous prime is 5256891449. The next prime is 5256891461. The reversal of 5256891455 is 5541986525.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5256891449) and next prime (5256891461).

It is not a de Polignac number, because 5256891455 - 2¹² = 5256887359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1126487 + ... + 1131143.

It is an arithmetic number, because the mean of its divisors is an integer number (396037134).

Almost surely, 2^5256891455 is an apocalyptic number.

5256891455 is a deficient number, since it is larger than the sum of its proper divisors (1079702689).

5256891455 is a wasteful number, since it uses less digits than its factorization.

5256891455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5626.

The product of its digits is 2160000, while the sum is 50.

The square root of 5256891455 is about 72504.4236926272. The cubic root of 5256891455 is about 1738.7734623580.

The spelling of 5256891455 in words is "five billion, two hundred fifty-six million, eight hundred ninety-one thousand, four hundred fifty-five".