55253253540 has 96 divisors (see below), whose sum is σ = 156174842880. Its totient is φ = 14595076096.

The previous prime is 55253253521. The next prime is 55253253611. The reversal of 55253253540 is 4535235255.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3930364 + ... + 3944396.

It is an arithmetic number, because the mean of its divisors is an integer number (1626821280).

Almost surely, 2^55253253540 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 55253253540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78087421440).

55253253540 is an abundant number, since it is smaller than the sum of its proper divisors (100921589340).

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

55253253540 is a wasteful number, since it uses less digits than its factorization.

55253253540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14661 (or 14659 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 39.

Adding to 55253253540 its reverse (4535235255), we get a palindrome (59788488795).

The spelling of 55253253540 in words is "fifty-five billion, two hundred fifty-three million, two hundred fifty-three thousand, five hundred forty".