55425235400 has 96 divisors (see below), whose sum is σ = 131630637600. Its totient is φ = 21698726400.

The previous prime is 55425235367. The next prime is 55425235433. The reversal of 55425235400 is 453252455.

It is an interprime number because it is at equal distance from previous prime (55425235367) and next prime (55425235433).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1898111 + ... + 1927089.

It is an arithmetic number, because the mean of its divisors is an integer number (1371152475).

Almost surely, 2^55425235400 is an apocalyptic number.

55425235400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55425235400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65815318800).

55425235400 is an abundant number, since it is smaller than the sum of its proper divisors (76205402200).

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

55425235400 is a wasteful number, since it uses less digits than its factorization.

55425235400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29199 (or 29190 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

Adding to 55425235400 its reverse (453252455), we get a palindrome (55878487855).

The spelling of 55425235400 in words is "fifty-five billion, four hundred twenty-five million, two hundred thirty-five thousand, four hundred".