55750250 has 32 divisors (see below), whose sum is σ = 104878800. Its totient is φ = 22190400.

The previous prime is 55750213. The next prime is 55750291. The reversal of 55750250 is 5205755.

It can be written as a sum of positive squares in 8 ways, for example, as 113569 + 55636681 = 337^2 + 7459^2 .

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, 66836 + ... + 67664.

Almost surely, 2^55750250 is an apocalyptic number.

55750250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55750250 is a deficient number, since it is larger than the sum of its proper divisors (49128550).

55750250 is a wasteful number, since it uses less digits than its factorization.

55750250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1105 counting only the distinct ones).

The product of its (nonzero) digits is 8750, while the sum is 29.

The square root of 55750250 is about 7466.6090027535. The cubic root of 55750250 is about 382.0166335054.

The spelling of 55750250 in words is "fifty-five million, seven hundred fifty thousand, two hundred fifty".