5421516555 has 48 divisors (see below), whose sum is σ = 10866883104. Its totient is φ = 2287756800.

The previous prime is 5421516539. The next prime is 5421516571. The reversal of 5421516555 is 5556151245.

It is an interprime number because it is at equal distance from previous prime (5421516539) and next prime (5421516571).

It is not a de Polignac number, because 5421516555 - 2⁴ = 5421516539 is a prime.

It is a super-2 number, since 2×5421516555² = 58785683512278136050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 274146 + ... + 293255.

It is an arithmetic number, because the mean of its divisors is an integer number (226393398).

Almost surely, 2^5421516555 is an apocalyptic number.

5421516555 is an abundant number, since it is smaller than the sum of its proper divisors (5445366549).

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

5421516555 is a wasteful number, since it uses less digits than its factorization.

5421516555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567436 (or 567429 counting only the distinct ones).

The product of its digits is 150000, while the sum is 39.

The square root of 5421516555 is about 73630.9483505408. The cubic root of 5421516555 is about 1756.7377322113.

The spelling of 5421516555 in words is "five billion, four hundred twenty-one million, five hundred sixteen thousand, five hundred fifty-five".