55051260 has 96 divisors (see below), whose sum is σ = 169344000. Its totient is φ = 13251840.

The previous prime is 55051231. The next prime is 55051261. The reversal of 55051260 is 6215055.

It is a self number, because there is not a number n which added to its sum of digits gives 55051260.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55051261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157566 + ... + 157914.

It is an arithmetic number, because the mean of its divisors is an integer number (1764000).

Almost surely, 2^55051260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55051260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84672000).

55051260 is an abundant number, since it is smaller than the sum of its proper divisors (114292740).

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

55051260 is a wasteful number, since it uses less digits than its factorization.

55051260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 55051260 is about 7419.6536307297. The cubic root of 55051260 is about 380.4133544478.

The spelling of 55051260 in words is "fifty-five million, fifty-one thousand, two hundred sixty".