1549774056 has 16 divisors (see below), whose sum is σ = 3874435200. Its totient is φ = 516591344.

The previous prime is 1549774049. The next prime is 1549774081. The reversal of 1549774056 is 6504779451.

It is a super-2 number, since 2×1549774056² = 4803599249301382272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1549773996 and 1549774014.

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, 32286936 + ... + 32286983.

It is an arithmetic number, because the mean of its divisors is an integer number (242152200).

Almost surely, 2^1549774056 is an apocalyptic number.

It is an amenable number.

1549774056 is an abundant number, since it is smaller than the sum of its proper divisors (2324661144).

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

1549774056 is a wasteful number, since it uses less digits than its factorization.

1549774056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64573928 (or 64573924 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 48.

The square root of 1549774056 is about 39367.1697738103. The cubic root of 1549774056 is about 1157.2382914648.

The spelling of 1549774056 in words is "one billion, five hundred forty-nine million, seven hundred seventy-four thousand, fifty-six".