5445053778 has 8 divisors (see below), whose sum is σ = 10890107568. Its totient is φ = 1815017924.

The previous prime is 5445053759. The next prime is 5445053851. The reversal of 5445053778 is 8773505445.

It is a sphenic number, since it is the product of 3 distinct primes.

5445053778 is an admirable number.

It is a super-2 number, since 2×5445053778² = 59297221290624146568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453754476 + ... + 453754487.

It is an arithmetic number, because the mean of its divisors is an integer number (1361263446).

Almost surely, 2^5445053778 is an apocalyptic number.

5445053778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5445053778 is a wasteful number, since it uses less digits than its factorization.

5445053778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907508968.

The product of its (nonzero) digits is 2352000, while the sum is 48.

The square root of 5445053778 is about 73790.6076543621. The cubic root of 5445053778 is about 1759.2763228734.

The spelling of 5445053778 in words is "five billion, four hundred forty-five million, fifty-three thousand, seven hundred seventy-eight".