55532654420 has 24 divisors (see below), whose sum is σ = 116678985864. Its totient is φ = 22201554816.

The previous prime is 55532654417. The next prime is 55532654423. The reversal of 55532654420 is 2445623555.

It is an interprime number because it is at equal distance from previous prime (55532654417) and next prime (55532654423).

It can be written as a sum of positive squares in 4 ways, for example, as 22770206404 + 32762448016 = 150898^2 + 181004^2 .

It is a super-2 number, since 2×55532654420² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55532654423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679559 + ... + 756878.

It is an arithmetic number, because the mean of its divisors is an integer number (4861624411).

Almost surely, 2^55532654420 is an apocalyptic number.

It is an amenable number.

55532654420 is an abundant number, since it is smaller than the sum of its proper divisors (61146331444).

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

55532654420 is a wasteful number, since it uses less digits than its factorization.

55532654420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438379 (or 1438377 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 55532654420 in words is "fifty-five billion, five hundred thirty-two million, six hundred fifty-four thousand, four hundred twenty".