55010250 has 96 divisors (see below), whose sum is σ = 155361024. Its totient is φ = 14018400.

The previous prime is 55010203. The next prime is 55010251. The reversal of 55010250 is 5201055.

It is a super-2 number, since 2×55010250² = 6052255210125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (55010251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51219 + ... + 52281.

It is an arithmetic number, because the mean of its divisors is an integer number (1618344).

Almost surely, 2^55010250 is an apocalyptic number.

55010250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55010250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77680512).

55010250 is an abundant number, since it is smaller than the sum of its proper divisors (100350774).

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

55010250 is a wasteful number, since it uses less digits than its factorization.

55010250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 55010250 is about 7416.8895097608. The cubic root of 55010250 is about 380.3188690104.

The spelling of 55010250 in words is "fifty-five million, ten thousand, two hundred fifty".