5551254940 has 192 divisors, whose sum is σ = 15142772736. Its totient is φ = 1674446400.

The previous prime is 5551254931. The next prime is 5551254949. The reversal of 5551254940 is 494521555.

It is an interprime number because it is at equal distance from previous prime (5551254931) and next prime (5551254949).

It is a junction number, because it is equal to n+sod(n) for n = 5551254893 and 5551254902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551254949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 179072725 + ... + 179072755.

It is an arithmetic number, because the mean of its divisors is an integer number (78868608).

Almost surely, 2^5551254940 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 5551254940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7571386368).

5551254940 is an abundant number, since it is smaller than the sum of its proper divisors (9591517796).

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

5551254940 is an equidigital number, since it uses as much as digits as its factorization.

5551254940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The square root of 5551254940 is about 74506.7442584898. The cubic root of 5551254940 is about 1770.6404887312.

It can be divided in two parts, 555125 and 4940, that added together give a palindrome (560065).

The spelling of 5551254940 in words is "five billion, five hundred fifty-one million, two hundred fifty-four thousand, nine hundred forty".