55025750 has 32 divisors (see below), whose sum is σ = 110938464. Its totient is φ = 20316000.

The previous prime is 55025749. The next prime is 55025797. The reversal of 55025750 is 5752055.

It is a congruent number.

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, 5216 + ... + 11715.

It is an arithmetic number, because the mean of its divisors is an integer number (3466827).

Almost surely, 2^55025750 is an apocalyptic number.

55025750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55025750 is an abundant number, since it is smaller than the sum of its proper divisors (55912714).

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

55025750 is a wasteful number, since it uses less digits than its factorization.

55025750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16961 (or 16951 counting only the distinct ones).

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

The square root of 55025750 is about 7417.9343485906. The cubic root of 55025750 is about 380.3545859231.

The spelling of 55025750 in words is "fifty-five million, twenty-five thousand, seven hundred fifty".