1254055550 has 48 divisors (see below), whose sum is σ = 2555421264. Its totient is φ = 454080000.

The previous prime is 1254055459. The next prime is 1254055589. The reversal of 1254055550 is 555504521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127820 + ... + 137280.

It is an arithmetic number, because the mean of its divisors is an integer number (53237943).

Almost surely, 2^1254055550 is an apocalyptic number.

1254055550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1254055550 is an abundant number, since it is smaller than the sum of its proper divisors (1301365714).

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

1254055550 is a wasteful number, since it uses less digits than its factorization.

1254055550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9725 (or 9720 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 32.

The square root of 1254055550 is about 35412.6467522550. The cubic root of 1254055550 is about 1078.3810763840.

The spelling of 1254055550 in words is "one billion, two hundred fifty-four million, fifty-five thousand, five hundred fifty".