5621291520 has 480 divisors, whose sum is σ = 20056823424. Its totient is φ = 1341849600.

The previous prime is 5621291503. The next prime is 5621291537. The reversal of 5621291520 is 251921265.

It is an interprime number because it is at equal distance from previous prime (5621291503) and next prime (5621291537).

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-3 number, since 3×5621291520³ (a number of 30 digits) contains 333 as substring.

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, 79173085 + ... + 79173155.

Almost surely, 2^5621291520 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 5621291520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10028411712).

5621291520 is an abundant number, since it is smaller than the sum of its proper divisors (14435531904).

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

5621291520 is a wasteful number, since it uses less digits than its factorization.

5621291520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 5621291520 is about 74975.2727237454. The cubic root of 5621291520 is about 1778.0557317251.

The spelling of 5621291520 in words is "five billion, six hundred twenty-one million, two hundred ninety-one thousand, five hundred twenty".