5523978 has 32 divisors (see below), whose sum is σ = 11664000. Its totient is φ = 1741376.

The previous prime is 5523967. The next prime is 5524027. The reversal of 5523978 is 8793255.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8923 + ... + 9521.

It is an arithmetic number, because the mean of its divisors is an integer number (364500).

Almost surely, 2^5523978 is an apocalyptic number.

5523978 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5523978 is an abundant number, since it is smaller than the sum of its proper divisors (6140022).

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

5523978 is a wasteful number, since it uses less digits than its factorization.

5523978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686.

The product of its digits is 75600, while the sum is 39.

The square root of 5523978 is about 2350.3144470475. The cubic root of 5523978 is about 176.7735621422.

The spelling of 5523978 in words is "five million, five hundred twenty-three thousand, nine hundred seventy-eight".