55364207616 has 495 divisors, whose sum is σ = 178640038071. Its totient is φ = 17076842496.

The previous prime is 55364207543. The next prime is 55364207629. The reversal of 55364207616 is 61670246355.

The square root of 55364207616 is 235296.

It is a perfect power (a square), and thus also a powerful number.

55364207616 is a `hidden beast` number, since 5 + 5 + 3 + 6 + 4 + 20 + 7 + 616 = 666.

It is a super-3 number, since 3×55364207616³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1287539691 + ... + 1287539733.

Almost surely, 2^55364207616 is an apocalyptic number.

55364207616 is the 235296-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55364207616

55364207616 is an abundant number, since it is smaller than the sum of its proper divisors (123275830455).

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

55364207616 is an equidigital number, since it uses as much as digits as its factorization.

55364207616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

It can be divided in two parts, 553 and 64207616, that added together give a square (64208169 = 8013²).

The spelling of 55364207616 in words is "fifty-five billion, three hundred sixty-four million, two hundred seven thousand, six hundred sixteen".