55500005552487 has 4 divisors (see below), whose sum is σ = 74000007403320. Its totient is φ = 37000003701656.

The previous prime is 55500005552471. The next prime is 55500005552549. The reversal of 55500005552487 is 78425550000555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55500005552487 - 2⁴ = 55500005552471 is a prime.

It is a super-2 number, since 2×55500005552487² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55500005552087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9250000925412 + ... + 9250000925417.

It is an arithmetic number, because the mean of its divisors is an integer number (18500001850830).

Almost surely, 2^{55500005552487} is an apocalyptic number.

55500005552487 is a deficient number, since it is larger than the sum of its proper divisors (18500001850833).

55500005552487 is a wasteful number, since it uses less digits than its factorization.

55500005552487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18500001850832.

The product of its (nonzero) digits is 7000000, while the sum is 51.

The spelling of 55500005552487 in words is "fifty-five trillion, five hundred billion, five million, five hundred fifty-two thousand, four hundred eighty-seven".