2551554000 has 160 divisors (see below), whose sum is σ = 9140426880. Its totient is φ = 680400000.

The previous prime is 2551553999. The next prime is 2551554017. The reversal of 2551554000 is 4551552.

2551554000 is a `hidden beast` number, since 255 + 1 + 5 + 5 + 400 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30375 + ... + 77625.

It is an arithmetic number, because the mean of its divisors is an integer number (57127668).

Almost surely, 2^2551554000 is an apocalyptic number.

2551554000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2551554000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4570213440).

2551554000 is an abundant number, since it is smaller than the sum of its proper divisors (6588872880).

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

2551554000 is a wasteful number, since it uses less digits than its factorization.

2551554000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47283 (or 47261 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 2551554000 is about 50512.9092411039. The cubic root of 2551554000 is about 1366.4746772410.

The spelling of 2551554000 in words is "two billion, five hundred fifty-one million, five hundred fifty-four thousand".