5623550778 has 16 divisors (see below), whose sum is σ = 11248041600. Its totient is φ = 1874360256.

The previous prime is 5623550759. The next prime is 5623550797. The reversal of 5623550778 is 8770553265.

It is an interprime number because it is at equal distance from previous prime (5623550759) and next prime (5623550797).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56623 + ... + 120221.

It is an arithmetic number, because the mean of its divisors is an integer number (703002600).

Almost surely, 2^5623550778 is an apocalyptic number.

5623550778 is an abundant number, since it is smaller than the sum of its proper divisors (5624490822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5623550778 is a wasteful number, since it uses less digits than its factorization.

5623550778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78341.

The product of its (nonzero) digits is 1764000, while the sum is 48.

The square root of 5623550778 is about 74990.3378976252. The cubic root of 5623550778 is about 1778.2939064442.

The spelling of 5623550778 in words is "five billion, six hundred twenty-three million, five hundred fifty thousand, seven hundred seventy-eight".