554057640 has 48 divisors (see below), whose sum is σ = 1800688500. Its totient is φ = 147748608.

The previous prime is 554057627. The next prime is 554057653. The reversal of 554057640 is 46750455.

It is a happy number.

554057640 is a `hidden beast` number, since 5 + 5 + 4 + 0 + 5 + 7 + 640 = 666.

It is an interprime number because it is at equal distance from previous prime (554057627) and next prime (554057653).

It can be written as a sum of positive squares in 2 ways, for example, as 542237796 + 11819844 = 23286^2 + 3438^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 554057595 and 554057604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 769165 + ... + 769884.

Almost surely, 2^554057640 is an apocalyptic number.

It is an amenable number.

554057640 is an abundant number, since it is smaller than the sum of its proper divisors (1246630860).

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

554057640 is a wasteful number, since it uses less digits than its factorization.

554057640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539066 (or 1539059 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 554057640 is about 23538.4290045024. The cubic root of 554057640 is about 821.3311909333.

The spelling of 554057640 in words is "five hundred fifty-four million, fifty-seven thousand, six hundred forty".