55867265850 has 96 divisors (see below), whose sum is σ = 151536640320. Its totient is φ = 13508608000.

The previous prime is 55867265833. The next prime is 55867265851. The reversal of 55867265850 is 5856276855.

55867265850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55867265851) 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, 598330 + ... + 685370.

It is an arithmetic number, because the mean of its divisors is an integer number (1578506670).

Almost surely, 2^55867265850 is an apocalyptic number.

55867265850 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 55867265850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75768320160).

55867265850 is an abundant number, since it is smaller than the sum of its proper divisors (95669374470).

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

55867265850 is a wasteful number, since it uses less digits than its factorization.

55867265850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87456 (or 87451 counting only the distinct ones).

The product of its (nonzero) digits is 20160000, while the sum is 57.

The spelling of 55867265850 in words is "fifty-five billion, eight hundred sixty-seven million, two hundred sixty-five thousand, eight hundred fifty".