55010140 has 24 divisors (see below), whose sum is σ = 115747632. Its totient is φ = 21960960.

The previous prime is 55010119. The next prime is 55010141. The reversal of 55010140 is 4101055.

It is a happy number.

It is a super-2 number, since 2×55010140² = 6052231005639200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55010141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9012 + ... + 13828.

It is an arithmetic number, because the mean of its divisors is an integer number (4822818).

Almost surely, 2^55010140 is an apocalyptic number.

It is an amenable number.

55010140 is an abundant number, since it is smaller than the sum of its proper divisors (60737492).

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

55010140 is a wasteful number, since it uses less digits than its factorization.

55010140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5397 (or 5395 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 55010140 is about 7416.8820942496. The cubic root of 55010140 is about 380.3186155115.

Adding to 55010140 its reverse (4101055), we get a palindrome (59111195).

The spelling of 55010140 in words is "fifty-five million, ten thousand, one hundred forty".