5511957480 has 192 divisors, whose sum is σ = 18642124800. Its totient is φ = 1410877440.

The previous prime is 5511957469. The next prime is 5511957487. The reversal of 5511957480 is 847591155.

5511957480 is a `hidden beast` number, since 5 + 5 + 119 + 57 + 480 = 666.

It is a super-2 number, since 2×5511957480² = 60763350522655900800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5511957487) 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, 1415376 + ... + 1419264.

It is an arithmetic number, because the mean of its divisors is an integer number (97094400).

Almost surely, 2^5511957480 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 5511957480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9321062400).

5511957480 is an abundant number, since it is smaller than the sum of its proper divisors (13130167320).

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

5511957480 is a wasteful number, since it uses less digits than its factorization.

5511957480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4064 (or 4057 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 45.

The square root of 5511957480 is about 74242.5584149684. The cubic root of 5511957480 is about 1766.4524559707.

The spelling of 5511957480 in words is "five billion, five hundred eleven million, nine hundred fifty-seven thousand, four hundred eighty".