553051032420 has 288 divisors, whose sum is σ = 1623032409600. Its totient is φ = 140661301248.

The previous prime is 553051032379. The next prime is 553051032461. The reversal of 553051032420 is 24230150355.

It is an interprime number because it is at equal distance from previous prime (553051032379) and next prime (553051032461).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 971969896 + ... + 971970464.

It is an arithmetic number, because the mean of its divisors is an integer number (5635529200).

Almost surely, 2^553051032420 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 553051032420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (811516204800).

553051032420 is an abundant number, since it is smaller than the sum of its proper divisors (1069981377180).

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

553051032420 is a wasteful number, since it uses less digits than its factorization.

553051032420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 553051032420 its reverse (24230150355), we get a palindrome (577281182775).

The spelling of 553051032420 in words is "five hundred fifty-three billion, fifty-one million, thirty-two thousand, four hundred twenty".