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55061100557 = 671430357457
BaseRepresentation
bin110011010001111001…
…011011100000001101
312021010022011201101122
4303101321123200031
51400231120204212
641143354250325
73656315426651
oct632171334015
9167108151348
1055061100557
1121395612891
12a807a269a5
135266472498
142944978a61
151673d6a272
hexcd1e5b80d

55061100557 has 8 divisors (see below), whose sum is σ = 55887787776. Its totient is φ = 54234556992.

The previous prime is 55061100547. The next prime is 55061100599. The reversal of 55061100557 is 75500116055.

55061100557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55061100557 - 24 = 55061100541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55061100547) 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, 929573 + ... + 987029.

It is an arithmetic number, because the mean of its divisors is an integer number (6985973472).

Almost surely, 255061100557 is an apocalyptic number.

It is an amenable number.

55061100557 is a deficient number, since it is larger than the sum of its proper divisors (826687219).

55061100557 is a wasteful number, since it uses less digits than its factorization.

55061100557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71827.

The product of its (nonzero) digits is 26250, while the sum is 35.

The spelling of 55061100557 in words is "fifty-five billion, sixty-one million, one hundred thousand, five hundred fifty-seven".

Divisors: 1 67 14303 57457 958301 3849619 821807471 55061100557