55609277460 has 192 divisors, whose sum is σ = 177814683648. Its totient is φ = 12862080000.

The previous prime is 55609277453. The next prime is 55609277467. The reversal of 55609277460 is 6477290655.

It is an interprime number because it is at equal distance from previous prime (55609277453) and next prime (55609277467).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55609277467) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1433520 + ... + 1471800.

It is an arithmetic number, because the mean of its divisors is an integer number (926118144).

Almost surely, 2^55609277460 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 55609277460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88907341824).

55609277460 is an abundant number, since it is smaller than the sum of its proper divisors (122205406188).

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

55609277460 is a wasteful number, since it uses less digits than its factorization.

55609277460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38406 (or 38404 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 55609277460 in words is "fifty-five billion, six hundred nine million, two hundred seventy-seven thousand, four hundred sixty".