5515145300 has 72 divisors (see below), whose sum is σ = 13810532736. Its totient is φ = 1872524160.

The previous prime is 5515145281. The next prime is 5515145309. The reversal of 5515145300 is 35415155.

It is a super-2 number, since 2×5515145300² = 60833655360224180000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515145309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33854 + ... + 110346.

Almost surely, 2^5515145300 is an apocalyptic number.

5515145300 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 5515145300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6905266368).

5515145300 is an abundant number, since it is smaller than the sum of its proper divisors (8295387436).

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

5515145300 is a wasteful number, since it uses less digits than its factorization.

5515145300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76617 (or 76610 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 5515145300 is about 74264.0242647811. The cubic root of 5515145300 is about 1766.7929307328.

The spelling of 5515145300 in words is "five billion, five hundred fifteen million, one hundred forty-five thousand, three hundred".