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5055508987 = 47591823119
BaseRepresentation
bin1001011010101010…
…01111000111111011
3111001022211110120121
410231111033013323
540323202241422
62153353034111
7236165055154
oct45525170773
914038743517
105055508987
112164780801
12b910b5937
136274c5649
1435d5d092b
151e8c6d8c7
hex12d54f1fb

5055508987 has 8 divisors (see below), whose sum is σ = 5250585600. Its totient is φ = 4864078824.

The previous prime is 5055508973. The next prime is 5055509029. The reversal of 5055508987 is 7898055505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5055508987 - 227 = 4921291259 is a prime.

It is a super-2 number, since 2×50555089872 = 51116342235275532338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5055508957) 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, 908787 + ... + 914332.

It is an arithmetic number, because the mean of its divisors is an integer number (656323200).

Almost surely, 25055508987 is an apocalyptic number.

5055508987 is a deficient number, since it is larger than the sum of its proper divisors (195076613).

5055508987 is a wasteful number, since it uses less digits than its factorization.

5055508987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823225.

The product of its (nonzero) digits is 2520000, while the sum is 52.

The square root of 5055508987 is about 71102.1025497840. The cubic root of 5055508987 is about 1716.2806083992.

The spelling of 5055508987 in words is "five billion, fifty-five million, five hundred eight thousand, nine hundred eighty-seven".

Divisors: 1 47 59 2773 1823119 85686593 107564021 5055508987